This article is about monetary coins. For early uses, see Coin ( disambiguation ) “ Coins ” redirects here. For the bibliographic metadata standard, see COinS currentness
Reading: Coin – Wikipedia
A selection of alloy coins. A coin is a belittled, flat, ( normally, depending on the nation or value ) round while of metal or credit card used chiefly as a average of rally or legal tender. They are standardized in weight, and produced in large quantities at a mint in orderliness to facilitate trade. They are most frequently issued by a politics. Coins much have images, numerals, or text on them. Obverse and its opposite, reverse, refer to the two flat faces of coins and medals. In this usage, obverse means the front confront of the object and reverse means the back grimace. The obverse of a mint is normally called heads, because it often depicts the head of a outstanding person, and the overrule tails. Coins are normally metallic or an debase, or sometimes made of manmade materials. They are normally magnetic disk shaped. Coins made of valuable metal are stored in large quantities as bullion coins. early coins are used as money in everyday transactions, circulating aboard banknotes. normally the highest value coin in circulation ( excluding bullion coins ) is worth less than the lowest-value note. In the last hundred years, the confront rate of circulation coins has occasionally been lower than the value of the metal they contain, for exercise due to inflation. If the dispute becomes significant, the issuing authority may decide to withdraw these coins from circulation, possibly issuing new equivalents with a different composition, or the public may decide to melt the coins down or hoard them ( see Gresham ‘s law ). Exceptions to the rule of face value being higher than contentedness measure besides occur for some bullion coins made of copper, silver, or gold ( and, rarely, other metals, such as platinum or palladium ), intended for collectors or investors in precious metals. Examples of modern aureate collector/investor coins include the british sovereign minted by the United Kingdom, the American Gold Eagle minted by the United States, the Canadian Gold Maple Leaf minted by Canada, and the Krugerrand, minted by South Africa. While the Eagle, and Sovereign coins have nominal ( strictly symbolic ) face values, the Krugerrand does not. historically, a considerable diverseness of neologism metals ( including alloys ) and other materials ( e.g. porcelain ) have been used to produce coins for circulation, collection, and metal investment : bullion coins frequently serve as more commodious stores of assured metallic element quantity and purity than other bullion. [ 1 ]
ancient history [edit ]
bullion and overlooked metals [edit ]
Metal ingots, silver bullion or overlooked bars were credibly in habit for change among many of the civilizations that mastered metallurgy. The system of weights and honor of bullion would be the key deciding of value. In the Achaemenid Empire in the early sixth century BCE, coinage was yet stranger, and barter and to some extent ash grey bullion was used alternatively for trade wind. [ 2 ] The rehearse of using silver bars for currency besides seems to have been current in central Asia from the sixth century BCE. [ 3 ] Coins were an development of “ currency ” systems of the Late Bronze Age, where standard-sized ingots, and tokens such as knife money, were used to store and transfer value .
Tongbei in Bronze Age China ( circa 1100 BCE ) [edit ]
In the former chinese Bronze Age, standardized cast tokens were made, such as those discovered in a grave near Anyang. [ 4 ] [ 5 ] These were replicas in bronze of earlier chinese currency, cowrie shells, so they were named Bronze Shell. [ 6 ]
Iron Age [edit ]
lydian and ionian electrum coins ( circa 600 BCE ) [edit ]
 The earliest inscribe coinage : electrum coin of Phanes from Ephesus, 625–600 BCE. obverse : Stag grazing right, ΦΑΝΕΩΣ ( retrograde ). rearward : Two incuse punches, each with raised decussate lines. The earliest coins are by and large associated with Iron Age Anatolia of the late seventh century BCE, and particularly with the kingdom of Lydia. [ 8 ] early on electrum coins ( an alluvial alloy of gold and silver, varying wildly in proportion, and normally about 40–55 % gold ) were not standardized in weight, and in their earliest stage may have been ritual objects, such as badges or medals, issued by priests. [ 9 ] The unpredictability of the composition of naturally occurring electrum implied that it had a varying value, which greatly hampered its development. [ 10 ] Most of the early on lydian coins include no write ( “ myth ” or “ inscription ” ), merely an picture of a emblematic animal. therefore, the date of these coins relies primarily on archaeological evidence, with the most normally cited tell coming from excavations at the Temple of Artemis at Ephesus, besides called the ephesian Artemision ( which would belated evolve into one of the Seven Wonders of the Ancient World ), site of the earliest know deposit of electrum coins. [ 7 ] Because the oldest leo mind “ coins ” were discovered in that temple, and they do not appear to have been used in commerce [ citation needed ], these objects may not have been coins but badges or medals issued by the priests of that temple [ citation needed ]. anatolian Artemis was the Πὀτνια Θηρῶν ( Potnia Thêrôn, “ Mistress of Animals ” ), whose symbol was the stag. It took some clock time before ancient coins were used for commerce and trade [ citation needed ]. even the smallest-denomination electrum coins, possibly worth about a day ‘s subsistence, would have been excessively valuable for buying a loiter of boodle. [ 11 ] possibly the foremost coins to be used for retailing on a large-scale basis were probably small argent fractions, Hemiobol, Ancient Greek neologism minted by the ionian Greeks in the former sixth century BCE. [ 12 ] In contrast Herodotus mentioned the invention made by the Lydians : [ 10 ]
“ indeed army for the liberation of rwanda as we have any cognition, they [ the Lydians ] were the first people to introduce the use of gold and flatware coins, and the first who sold goods by retail ”Herodotus, I94
And both Aristotle ( francium. 611,37, erectile dysfunction. V. Rose ) and Pollux ( Onamastikon IX.83 ), mention that the first issuer of neologism was Hermodike/Demodike of Cyme. [ 13 ] [ 14 ] Cyme was a city in Aeolia, nearby Lydia .
“ Another exemplar of local pride is the quarrel about neologism, whether the foremost one to strike it was Pheidon of Argos, or Demodike of Kyme ( who was wife of Midas the Phrygian and daughter of King Agammemnon of Kyme ), or Erichthonios and Lycos of Athens, or the Lydians ( as Xenophanes says ) or the Naxians ( as Anglosthenes thought ) ”Julius Pollux, Onamastikon IX.83
many early lydian and greek coins were minted under the authority of private individuals and are thus more akin to tokens or badges than to modern coins, [ 16 ] though due to their numbers it is discernible that some were official state issues. The earliest inscribed coins are those of Phanes, dated to 625–600 BC from Ephesus in Ionia, with the caption ΦΑΕΝΟΣ ΕΜΙ ΣHΜΑ ( or exchangeable ) ( “ I am the badge/sign/mark of Phanes/light ” ) or just bearing the name ΦΑΝΕΟΣ ( “ of Phanes ” ). The first electrum coins issued by a monarch are those minted by king Alyattes of Lydia ( died c. 560 BCE ), for which reason this king is sometimes mentioned as the originator of neologism. [ 17 ]
croesus : Pure gold and flatware coins [edit ]
CroeseidsGold Croeseid, minted by King Croesus circa 561–546 BCE. (10.7 grams, Sardis mint) Silver Croeseid, minted by King Croesus, circa 560–546 BCE ( 10.7 grams, Sardis mint ) The gold and silver Croeseids formed the universe ‘s first bimetallistic monetary system circa 550 BCE. The successor of Alyattes, king Croesus ( r. c. 560–546 BCE ), became associated with great wealth in greek historiography. He is credited with issuing the Croeseid, the first true gold coins with a standardize purity for general circulation. [ 10 ] and the world ‘s inaugural bimetal monetary system c. 550 BCE. [ 10 ] Coins spread quickly in the 6th and 5th centuries BCE, leading to the development of Ancient Greek coinage and Achaemenid neologism, and further to illyrian neologism. [ 18 ] Standardized Roman currency was used throughout the Roman Empire. Important Roman gold and argent coins were continued into the Middle Ages ( see Gold tunisian dinar, Solidus, Aureus, Denarius ). Ancient and early medieval coins in theory had the rate of their alloy capacity, although there have been many instances throughout history of governments inflating their currencies by debasing the metallic element contentedness of their neologism, so that the inferior coins were worth less in metal than their face value. Fiat money first arise in medieval China, with the jiaozi wallpaper money. Early paper money was introduced in Europe in the later Middle Ages, but some coins continued to have the prize of the gold or silver they contained throughout the early Modern menstruation. The penny was minted as a argent coin until the seventeenth hundred .
Achaemenid neologism ( 546–330 BCE ) [edit ]
The first gear type of Siglos ( Type I : “ King with bow and arrows ”, upper berth body of the king only ), from the time of Darius I. Circa 520–505 BCE Daric gold mint ( c.490 BCE ), one of the most successful of Antiquity. When Cyrus the Great ( 550–530 BC ) came to power, neologism was unfamiliar in his region. Barter and to some extent argent bullion was used rather for craft. [ 2 ] The practice of using silver bars for currency besides seems to have been current in central Asia from the sixth century. [ 3 ] Cyrus the Great introduced coins to the Persian Empire after 546 BCE, following his seduction of Lydia and the frustration of its king Croesus, who had put in place the first neologism in history. With his seduction of Lydia, Cyrus acquired a region in which neologism was invented, developed through advanced metallurgy, and had already been in circulation for about 50 years, making the lydian Kingdom one of the leading trade powers of the fourth dimension. [ 2 ] It seems Cyrus initially adopted the lydian neologism as such, and continued to strike Lydia ‘s lion-and-bull coinage. [ 2 ] original coins of the Achaemenid Empire were issued from 520 BCE – 450 BCE to 330 BCE. The irani Daric was the first gear truly Achaemenid gold coin which, along with a exchangeable silver mint, the Siglos, represented the bimetal monetary standard of the Achaemenid Persian Empire. [ 19 ]
neologism of southern Asia under the Achaemenid Empire [edit ]
The Achaemenid Empire already reached the doors of India during the original expansion of Cyrus the Great, and the Achaemenid seduction of the Indus Valley is dated to c. 515 BCE under Darius I. [ 2 ] An Achaemenid administration was established in the area. The Kabul roll up, besides called the Chaman Hazouri roll up, [ 22 ] is a coin hoard discovered in the vicinity of Kabul, Afghanistan, containing numerous Achaemenid coins equally well as many greek coins from the 5th and 4th centuries BCE. [ 21 ] The depository of the hoard is dated to the Achaemenid period, in approximately 380 BCE. [ 23 ] The hoard besides contained many locally produced silver medal coins, minted by local authorities under Achaemenid rule. [ 24 ] Several of these issues follow the “ western designs ” of the lining bull heads, a stag, or persian column capitals on the obverse, and incuse punch on the revoke. [ 24 ] [ 25 ] According to numismatist Joe Cribb, these finds suggest that the idea of neologism and the use of punch-marked techniques was introduced to India from the Achaemenid Empire during the fourth hundred BCE. [ 26 ] More Achaemenid coins were besides found in Pushkalavati and in Bhir Mound. [ 27 ]
- Punch-marked coin minted in the Kabul Valley under Achaemenid administration. Circa 500–380 BCE, or c.350 BCE. [ 28 ] [ 21 ]
- Gandharan “ bent-bar ” punch-marked mint minted under Achaemenid administration, of the type found in large quantities in the Chaman Hazouri and the Bhir Mound hoards .
- early punch-marked coins of Gandhara, Taxila – Gandhara region .
greek Archaic coinage ( until about 480 BCE ) [edit ]
Silver stater of Aegina, 550–530 BCE. Obv. Sea turtleneck with large pellets down center. Rev. incuse square punch with eight sections. According to Aristotle ( francium. 611,37, erectile dysfunction. V. Rose ) and Pollux ( Onamastikon IX.83 ), the first issuer of greek neologism was Hermodike of Kyme. [ 13 ] A little percentage of early Lydian/Greek coins have a legend. [ 30 ] The most ancient inscribe coin known is from nearby Caria. This coin has a greek caption reading phaenos emi sema [ 31 ] interpreted variously as “ I am the badge of Phanes ”, or “ I am the sign of light ”. [ 32 ] The Phanes coins are among the earliest of greek coins ; a hemihekte of the exit was found in the foundation sediment of the temple of Artemis at Ephesos ( the oldest sediment of electrum coins discovered ). One assumption is that Phanes was a mercantile mentioned by Herodotus, another that this coin is associated with the aboriginal god Phanes or “ Phanes ” might have been an epithet of the local goddess identified with Artemis. Barclay V. Head found these suggestions improbable and thought it more probably “ the name of some outstanding citizen of Ephesus ”. [ 33 ] Another campaigner for the locate of the earliest coins is Aegina, where Chelone ( “ turtle ” ) coins were beginning minted circa 700 BCE. [ 34 ] Coins from Athens and Corinth appeared concisely thereafter, known to exist at least since the deep sixth century BCE. [ 35 ]
- Coin of Phaselis, Lycia. Circa 550–530/20 BCE .
- Coin of Lycia. Circa 520–470/60 BCE .
- Lycia coin. Circa 520-470 BCE. Struck with wear obverse die. [ 36 ]
- Coin of Lesbos, Ionia. Circa 510–80 BCE .
antiquity [edit ]
classical Greek antiquity ( 480 BCE~ ) [edit ]
Tetradrachm of Athens
(c. 454–404 BCE)
Obverse: a portrait of
Reverse: the owl of Athens, with an ( c. 454–404 BCE ) : a portrayal of Athena, patron goddess of the city, in helmet : the owl of Athens, with an olive branchlet and the inscription “ ΑΘΕ ”, short for ΑΘΕΝΑΙΟΝ, “ of the Athenians Syracusan tetradrachm
(c. 415–405 BCE)
Obverse: head of the
Reverse: a racing ( c. 415–405 BCE ) : head of the nymph Arethusa, surrounded by four naiant dolphins and a rudder : a race quadriga, its charioteer crowned by the goddess Victory in escape. The authoritative period saw greek neologism reach a high charge of technical and aesthetic quality. Larger cities now produced a crop of finely silver and gold coins, most bearing a portrait of their patron deity or goddess or a fabled hero on one side, and a symbol of the city on the early. Some coins employed a ocular pun : some coins from Rhodes featured a rose, since the Greek word for rose is rhodon. The habit of inscriptions on coins besides began, normally the name of the issuing city. The affluent cities of Sicily produced some specially ticket coins. The big silver decadrachm ( 10-drachm ) coin from Syracuse is regarded by many collectors as the finest coin produced in the ancient world, possibly ever. Syracusan issues were preferably standard in their imprints, one english bearing the head of the nymph Arethusa and the other normally a triumphant quadriga. The tyrants of Syracuse were fabulously rich, and region of their populace relations policy was to fund quadrigas for the Olympic chariot race, a very expensive undertaking. As they were much able to finance more than one quadriga at a time, they were frequent victors in this highly esteemed event. Syracuse was one of the epicenters of numismatic art during the authoritative menstruation. Led by the engravers Kimon and Euainetos, Syracuse produced some of the finest mint designs of ancientness. Amongst the first centers to produce coins during the greek colonization of mainland Southern Italy ( Magna Graecia ) were Paestum, Crotone, Sybaris, Caulonia, Metapontum, and Taranto. These ancient cities started producing coins from 550BCE to 510BCE. [ 37 ] [ 38 ] Amisano, in a general publication, including the etruscan neologism, attributing it the begin to about 560 BCE in Populonia, a chronology that would leave out the contribution of the Greeks of Magna Graecia and impute to the Etruscans the burden of introducing the coin in Italy. In this shape, changeless address is made to authoritative sources, and credit is given to the origin of the Etruscan Lydia, a source supported by Herodotus, and besides to the invention of mint in Lydia. [ 39 ]
- Aegina coin character, incuse skew design. Circa 456/45–431 BCE .
- Coin of Akanthos, Macedon, circa 470-430 BCE .
- Coin of Aspendos, Pamphylia, circa 465–430 BCE .
- coin from Korkyra, circa 350/30–290/70 BCE .
- Coin of Cyprus, circa 450 BCE .
appearance of dynastic portraiture ( fifth century BCE ) [edit ]
Although many of the first coins illustrated the images of assorted gods, the first portrayal of actual rulers appears with the coinage of Lycia in the fifth century BCE. [ 40 ] [ 41 ] No rule had dared illustrating his own portrait on neologism until that time. [ 41 ] The Achaemenids had been the first to illustrate the person of their king or a bomber in a stereotyped manner, showing a broke or the full body but never an actual portrait, on their Sigloi and Daric neologism from circa 500 BCE. [ 41 ] [ 42 ] [ 43 ] A slightly earlier candidate for the first portrait-coin is Themistocles the Athenian general, who became a Governor of Magnesia on the Meander circa 465–459 BCE for the Achaemenid Empire, [ 44 ] although there is some doubt that his coins may have represented Zeus rather than himself. [ 45 ] Themistocles may have been in a unique position in which he could transfer the impression of individual portraiture, already current in the greek world, and at the same time wield the dynastic might of an Achaemenid dynasty who could issue his own coins and illustrate them as he wished. [ 46 ] From the time of Alexander the Great, portraiture of the issue rule would then become a standard, popularize, feature of coinage. [ 41 ]
- Coin of Themistocles as Governor of Magnesia. Obv : Barley grain. Rev : possible portrait of Themistocles. Circa 465–459 BC. [ 47 ]
- portrayal of lycian ruler Kherei wearing the iranian cap on the reverse of his coins ( ruled 410–390 BCE ).
Read more: Possum Magic Coins
- portrait of lycian ruler Erbbina wearing the iranian crown on the reverse of his coins ( ruled 390–380 BCE ) .
- portrait of lycian ruler Perikles face ( ruled 380-360 BCE ) .
indian coins ( circa 400 BCE–100 CE ) [edit ]
The Karshapana is the earliest punch-marked coin found in India, produced from at least the mid-4th century BCE, and possibly a early as 575 BCE, [ 48 ] influenced by exchangeable coins produced in Gandhara under the Achaemenid empire, such as those of the Kabul roll up, [ 49 ] or early examples found at Pushkalavati and in Bhir Mound. [ 27 ]
chinese round coins ( 350 BCE~ ) [edit ]
In China, early round coins appeared in the fourth hundred BCE and were adopted for all China by Emperor Qin Shi Huang Di at the end of 3rd century BCE. [ 50 ] The round off coin, the precursor of the familiar cash mint, circulated in both the nigger and knife money areas in the Zhou menstruation, from around 350 BCE. aside from two minor and presumably late coins from the State of Qin, coins from the spade money sphere have a orotund hole and denote to the jin and liang units. Those from the tongue money area have a public square hole and are denominated in hua ( 化 ). Although for discussion purposes the Zhou coins are divided up into categories of knives, spades, and beat coins, it is apparent from archaeological finds that most of the assorted kinds circulated in concert. A hoard found in 1981, near Hebi in union Henan province, consisted of : 3,537 Gong spades, 3 Anyi arched foot spades, 8 Liang Dang Lie spades, 18 Liang square foot spades and 1,180 yuan beat coins, all contained in three cadaver jars .
hellenic period ( 320 BCE – 30 CE ) [edit ]
posthumous Alexander the Great tetradrachm from Temnos, Aeolis. Dated 188–170 BCE. obverse : Alexander the Great as Herakles facing right wearing the nemean lionskin. reverse : Zeus seated on throne to the left holding eagle in right field hand and scepter in left ; in left battlefield PA monogram and angular sigma above grapeshot vine arching over oinochoe ; ALEXANDROU upright in right field. mention : monetary value 1678. The Hellenistic period was characterized by the spread of greek culture across a large part of the know world. Greek-speaking kingdoms were established in Egypt and Syria, and for a time besides in Iran and as far east as what is now Afghanistan and northwestern India. greek traders spread greek coins across this huge sphere, and the modern kingdoms soon began to produce their own coins. Because these kingdoms were a lot larger and wealthier than the greek city states of the classical period, their coins tended to be more mass-produced, deoxyadenosine monophosphate well as larger, and more frequently in gold. They much lacked the aesthetic airiness of coins of the earlier period. even, some of the Greco-Bactrian coins, and those of their successors in India, the Indo-Greeks, are considered the finest examples of Greek numismatic art with “ a nice blend of naturalism and idealization ”, including the largest coins to be minted in the hellenic world : the largest gold coin was minted by Eucratides ( reigned 171–145 BCE ), the largest flatware coin by the Indo-Greek king Amyntas Nikator ( reigned c. 95–90 BCE ). The portraits “ show a degree of individuality never matched by the much bland depictions of their royal contemporaries further West ” ( Roger Ling, “ Greece and the Hellenistic World ” ) .
roman time period ( 290 BCE~ ) [edit ]
|O: Bearded head of Mars with Corinthian helmet left.||R: Horse head right, grain ear behind.|
|The first Roman silver coin, 281 BCE. Crawford 13/1|
coinage followed greek colonization and influence foremost around the Mediterranean and soon after to North Africa ( including Egypt ), Syria, Persia, and the Balkans. [ 52 ] Coins came late to the Roman Republic compared with the rest of the Mediterranean, specially Greece and Asia Minor where coins were invented in the seventh century BCE. The currentness of central Italy was influenced by its natural resources, with bronze being abundant ( the Etruscans were celebrated alloy workers in bronze and cast-iron ) and silver ore being scarce. The coinage of the Roman Republic started with a few argent coins obviously devised for trade with Celtic in northern Italy and the greek colonies in Southern Italy, and clayey roll bronze pieces for use in Central Italy. The first gear Roman coins, which were crude, heavy cast bronzes, were issued c. 289 BCE. [ 53 ] Amisano, in a general publication, including the etruscan coinage, attributing it the beginning to about 550 BCE in Populonia, a chronology that would leave out the contribution of the Greeks of Magna Graecia and assign to the Etruscans the load of introducing the mint in Italy. In this make, constant reference book is made to classical sources, and credit is given to the origin of the Etruscan Lydia, a reference supported by Herodotus, and besides to the invention of coin in Lydia. [ 39 ]
Middle Ages [edit ]
The borders of the Roman Empire divided Europe into two monetary zones in the early centuries of the first millennium ad : a southerly and western zone, in which coins were minted and circulated more or less regularly as an integral part of the economy, and a northerly and eastern zone, which made no coins of its own and spell coins sporadically as a leave of respective economic and other interactions. The like monetary divide of Europe, roughly along the Rhine and Danube River valley, survived the Roman Empire ‘s political dissolution and was maintained virtually until the goal of the millennium. [ 54 ]
The first european coin to use Arabic numerals to date the class in which the coin was minted was the St. Gall silver Plappart of 1424. [ 55 ]
modern history [edit ]
value [edit ]
Five million target mint ( Weimar Republic, 1923 ). Despite its high denomination, this coin ‘s monetary value dropped to a bantam divide of a US penny by the end of 1923, well less than the rate of its metallic content .
currency [edit ]
Most coins soon are made of a base metal, and their rate comes from their condition as decree money. This means that the value of the coin is decreed by government decree ( law ), and frankincense is determined by the loose market only in ampere much as national currencies are used in domestic trade and besides traded internationally on extraneous change markets. therefore, these coins are monetary tokens, just as paper currency is : they are normally not backed by metallic, but rather by some phase of politics undertake. Some have suggested that such coins not be considered to be “ true coins ” ( see below ). thus, there is very short economic dispute between notes and coins of equivalent face respect. Coins may be in circulation with decree values lower than the value of their component metals, but they are never initially issued with such value, and the deficit alone arises over time due to inflation, as market values for the metallic element overtake the decree declared face value of the mint. Examples are the pre-1965 US dime, quarter, half dollar, and dollar ( nominally containing slenderly less than a one-tenth, quarter, one-half, and wax ounce of silver, respectively ), US nickel, and pre-1982 US penny. As a solution of the increase in the value of copper, the United States greatly reduced the sum of copper in each penny. Since mid-1982, United States pennies are made of 97.5 % zinc, with the remaining 2.5 % being a coating of copper. extreme differences between decree values and metallic values of coins cause coins to be hoarded or removed from circulation by illicit smelters in rate to realize the measure of their metallic element content. This is an exemplar of Gresham ‘s police. The United States Mint, in an attack to avoid this, implemented newfangled interim rules on December 14, 2006, subject to public comment for 30 days, which criminalized the melt and export of pennies and nickels. [ 56 ] Violators can be fined up to $ 10,000 and/or imprisoned for up to five years .
Collector ‘s items [edit ]
A mint ‘s rate as a collector ‘s item or as an investing generally depends on its condition, particular historic significance, curio, timbre, beauty of the purpose and cosmopolitan popularity with collectors. If a mint is greatly lacking in all of these, it is improbable to be worth much. The value of bullion coins is besides influenced to some extent by those factors, but is largely based on the prize of their gold, flatware, or platinum capacity. sometimes non-monetized bullion coins such as the canadian Maple Leaf and the American Gold Eagle are minted with nominative boldness values less than the value of the metallic in them, but as such coins are never intended for circulation, these face values have no relevance. Collector catalogs frequently include information about coins to assists collectors with identify and grading. extra resources can be found online for collectors These are collector clubs, collection management tools, marketplaces, [ 57 ] trade platforms, and forums ,
Media of expression [edit ]
Coins can be used as creative media of expression – from fine art sculpt to the penny machines that can be found in most entertainment parks. In the Code of Federal Regulations ( CFR ) in the United States there are some regulations specific to nickels and pennies that are enlightening on this topic. 31 CFR § 82.1 forbids unauthorized persons from exporting, melting, or treating any 5 or 1 penny coins. [ 58 ] This has been a finical trouble with nickels and dimes ( and with some comparable coins in other currencies ) because of their relatively low front value and unstable commodity prices. For a while, [ when? ] the copper in US pennies was worth more than one penny, so people would hoard pennies and then melt them down for their metallic value. It cost more than face value to manufacture pennies or nickels, so any far-flung loss of the coins in circulation could be expensive for the US Treasury. This was more of a problem when coins were still made of valued metals like silver and amber, then rigorous laws against change make more sense historically. [ citation needed ] 31 CFR § 82.2 ( boron ) goes on to state that : “ The prohibition contained in § 82.1 against the treatment of 5-cent coins and one-cent coins shall not apply to the treatment of these coins for educational, entertainment, knickknack, jewelry, and similar purposes angstrom long as the volumes treated and the nature of the treatment makes it clear that such discussion is not intended as a mean by which to profit entirely from the value of the metallic contentedness of the coins. ” [ 59 ]
degradation and clipping [edit ]
Swiss ten-cent coin from 1879, similar to the oldest coins still in official use today Alexander the Great Tetradrachm from the Temnos Mint, dated circa 188–170 BCE Throughout history, sovereign and governments have often created more neologism than their provision of cute metals would allow if the coins were pure metallic element. By replacing some fraction of a coin ‘s precious alloy message with a base alloy ( frequently copper or nickel ), the intrinsic respect of each individual coin was reduced ( thereby “ debasing ” the money ), allowing the coining authority to produce more coins than would otherwise be possible. Debasement occasionally occurs in order to make the coin physically harder and consequently less likely to be worn down as quickly, but the more usual reason is to profit from the difference between face value and metal value. Debasement of money about constantly leads to price inflation. Sometimes price controls are at the lapp time besides instituted by the governing authority, but historically these have by and large proved impracticable. The United States is strange in that it has merely slightly modified its neologism system ( except for the images and symbols on the coins, which have changed a phone number of times ) to accommodate two centuries of inflation. The one-cent coin has changed little since 1856 ( though its constitution was changed in 1982 to remove virtually all bull from the coin ) and however remains in circulation, despite a greatly reduced purchasing power. On the other end of the spectrum, the largest mint in common circulation is valued at 25 cents, a very low value for the largest denomination coin compared to many other countries. Increases in the prices of bull, nickel, and zinc mean that both the US one- and five-cent coins became worth more for their bare-assed alloy content than their face ( decree ) value. In particular, copper one-cent pieces ( those dated anterior to 1982 and some 1982-dated coins ) contained about two cents ‘ deserving of copper. Some denominations of circulating coins that were once minted in the United States are no long made. These include coins with a boldness value of a half cent, two cents, three cents, and twenty cents. ( The half dollar and dollar coins are still produced, but largely for vending machines and collectors. ) In the past, the US besides coined the comply denominations for circulation in gold : One dollar, $ 2.50, three dollars, five dollars, ten dollars, and twenty dollars. In addition, cents were primitively slightly larger than the modern quarter and weighed about half an snow leopard, while five-cent coins ( known then as “ one-half dimes ” ) were smaller than a dime and made of a silver alloy. dollar coins were besides much larger, and weighed approximately an ounce. One-dollar gold coins are no long produced and rarely used. The US besides issues bullion and commemorative coins with the play along denominations : 50¢, $ 1, $ 5, $ 10, $ 25, $ 50, and $ 100. Circulating coins normally suffered from “ shaving ” or “ clipping ” : the populace would cut off little amounts of cute metal from their edges to sell it and then pass on the maimed coins at fully rate. [ 60 ] Unmilled british sterling argent coins were sometimes reduced to about half their mint weight. This kind of adulteration in Tudor England was commented on by Sir Thomas Gresham, whose name was late attached to Gresham ‘s jurisprudence. The monarch would have to sporadically recall circulating coins, paying only the bullion value of the silver, and reminting them. This, besides known as recoinage, is a long and difficult process that was done alone occasionally. [ 61 ] many coins have milled or reeded edges, originally designed to make it easier to detect nip .
other uses [edit ]
Some convicted criminals from the british Isles who were sentenced to exile to Australia in the 18th and 19th centuries used coins to leave messages of remembrance to loved ones left behind in Britain. The coins were defaced, smoothed and inscribed, either by stippling or engraving, with sometimes touching words of loss. These coins were called “ convict love tokens ” or “ dull hearts ”. [ 62 ] Some of these tokens are in the solicitation of the National Museum of Australia .
modern features [edit ]
Coins can be stacked . french 1992 twenty Franc Tri-Metallic mint Bimetallic Egyptian one impound coin featuring King Tutankhamen The side of a coin carrying an persona of a sovereign, early assurance ( see List of people on coins ), or a national emblem is called the obverse ( colloquially, heads ) ; the other side, carrying diverse types of information, is called the reverse ( colloquially, tails ). The year of mint is normally shown on the obverse, although some chinese coins, most canadian coins, the pre-2008 british 20p coin, the post-1999 american quarter, and all japanese coins are exceptions. The relation of the images on the obverse and change by reversal of a coin is the coin ‘s orientation. If the image on the obverse of the coin is correctly side up and turning the coin left or right on its vertical bloc reveals that the reverse of the coin is besides right side astir, then the coin is said to have medallic orientation —typical of the Euro and pound sterling ; if, however, turning the coin left or right shows that the turn back picture is top down, then the mint is said to have coin predilection, characteristic of the United States dollar coin. bimetallistic coins are sometimes used for higher values and for commemorative purposes. In the 1990s, France used a tri-metallic coin. Common circulating bimetallistic examples include the €1, €2, British £1, £2 and canadian $ 2 and several philippine peso coins in Mexico. The exergue is the space on a mint beneath the main blueprint, often used to show the coin ‘s date, although it is sometimes impart lacuna or contains a batch commemorate, outhouse mark, or some early cosmetic or enlightening plan have. many coins do not have an exergue at all, particularly those with few or no legends, such as the priggish bun penny .
Rubles proof coin of Russia, minted in 2008 not all coins are round ; they come in a assortment of shapes. The australian 50-cent mint, for exercise, has twelve flat sides. Some coins have wavy edges, e.g. the $ 2 and 20-cent coins of Hong Kong and the 10-cent coins of Bahamas. Some are square-shaped, such as the 15-cent mint of the Bahamas and the 50-cent coin from Aruba. During the 1970s, Swazi coins were minted in several shapes, including squares, polygons, and wavy edged circles with 8 and 12 waves .
- Scalloped coin of Israel
- 1996 one penny coin from Belize
- Decagonal two Piso Philippine coin 1990
Some other coins, like the british 20 and 50 penny coins and the Canadian Loonie, have an odd act of sides, with the edges rounded off. This way the coin has a ceaseless diameter, recognizable by vending machines whichever commission it is inserted. A trilateral coin with a confront value of £5 ( produced to commemorate the 2007/2008 Tutankhamun exhibition at The O2 Arena ) was commissioned by the Isle of man : it became legal offer on 6 December 2007. [ 63 ] other triangular coins issued earlier include : Cabinda mint, Bermuda coin, 2 dollar Cook Islands 1992 trilateral coin, Uganda Millennium Coin and polish Sterling-Silver 10-Zloty Coin. Some medieval coins, called bracteates, were sol thin they were struck on entirely one side. many coins over the years have been manufactured with integrated holes such as taiwanese “ cash ” coins, japanese coins, Colonial French coins, etc. This may have been done to permit their being strung on cords, to facilitate repositing and being carried. Nowadays, holes avail to differentiate coins of exchangeable size and metallic element, such as the japanese 50 yen and 100 yen coin .
- 1917 french coin with incorporate hole
- chinese cash coin, 1102–1106
- 1941 Palestine coin
- contemporary japanese 50-yen coin
- 1924 east african mint
Liberty Enlightening the World) holographic coin from Liberia features the Statue of Liberty The Royal Canadian Mint is now able to produce holographic-effect gold and ash grey neologism. however, this procedure is not limited to only bullion or commemorative coinage. The 500 yen coin from Japan was topic to a massive sum of counterfeiting. The japanese politics in response produced a circulative coin with a holographic trope. The Royal Canadian Mint has besides released respective coins that are colored, the first of which was in memorial of Remembrance Day. The subject was a color poppy on the reverse of a 25-cent piece minted through a patent serve. [ 64 ] An exemplar of non-metallic composite coins ( sometimes falsely called credit card coins ) was introduced into circulation in Transnistria on 22 August 2014. Most of these coins are besides non-circular, with different shapes corresponding to different coin values. [ 65 ] For a list of many pure metallic elements and their alloys which have been used in actual circulation coins and for test experiments, see coinage metals. [ 66 ]
Physics and chemistry [edit ]
Flipping [edit ]
To flip a coin to see whether it lands heads or tails is to use it as a reversible dice in what is known in mathematics as a Bernoulli trial : if the probability of heads ( in the parlance of Bernoulli trials, a “ success ” ) is precisely 0.5, the coin is fair .
Spinning [edit ]
Coins can besides be spun on a flat surface such as a table. This results in the following phenomenon : as the coin falls over and rolls on its edge, it spins faster and faster ( formally, the precession rate of the symmetry axis of the coin, i, the axis passing from one face of the coin to the early ) before coming to an abrupt diaphragm. This is mathematically modeled as a finite-time singularity – the precession rate is accelerating to eternity, before it on the spur of the moment stops, and has been studied using high speed photography and devices such as Euler ‘s Disk. The slowing down is predominantly caused by rolling clash ( air resistance is minor ), and the singularity ( deviation of the precession rate ) can be modeled as a might law with exponent approximately −1/3. [ 67 ]
smell [edit ]
Iron and copper coins have a characteristic metallic smack that is produced upon contact with oils in the clamber. perspiration is chemically reduced upon touch with these metals, which causes the skin oils to decompose, forming with iron the volatile atom 1-octen-3-one. [ 68 ]
regional examples [edit ]
Philippines [edit ]
Jose Rizal sent a parcel to Ferdinand Blumentritt in Bohemia in September 1887. Six smokes of quality Philippine tobacco, an early philippine light or sulpakan, sampaguita and kamuning flowers to conbat the unpleasant smell of burning tobacco, and a small piece of gold from a treasure trove discovered in a jar excavated in Mandaluyoung were among the gifts from Calamba. This gold coin, according to Rizal, was the ancient Tagalogs ‘ little change. Rizal ‘s message is about surely a “ piloncito ”, as it is now known .  The Piloncitos are bantam engrave amber coins found in the Philippines, along with the barter rings, which are amber ring-like ingots. These barter rings are bigger than doughnuts in size and are made of pure gold from the Archaic menstruation ( c. 10th to 16th century ). Piloncitos are small engrave gold coins found in the Philippines. The size of piloncitos can range to a humble as 0.09 to 2.65 grams of all right aureate. Piloncitos have been excavated from Mandaluyong, Bataan, the banks of the Pasig River, Batangas, Marinduque, Samar, Leyte and some areas in Mindanao. Large quantities of piloncitos have been found in indonesian archaeological sites, which suggests they may not have originated from the Philippines but been imported. however, numerous spanish accounts country that the amber coins were mined and labored in the Philippines, such as the following from 1586 :
“ The people of this island ( Luzon ) are identical adept in their wield of gold. They weigh it with the greatest skill and daintiness that have always been seen. The first matter they teach their children is the cognition of gold and the weights with which they weigh it, for there is no other money among them. ” [ 70 ]
See besides [edit ]
Notes and references [edit ]
bibliography [edit ]
- Angus, Ian. Coins & Money Tokens. London: Ward Lock, 1973. ISBN 0-7063-1811-0.
- Media related to Coins at Wikimedia Commons