The Numismatics Portal

Electrum coin from Ephesus, 520-500 BCE. Obverse: Forepart of stag. Reverse: Square incuse punch

Numismatics is the study or collection of currency, including coins, tokens, paper money, medals and related objects.

Specialists, known as numismatists, are often characterized as students or collectors of coins, but the discipline also includes the broader study of money and other means of payment used to resolve debts and exchange goods.

The earliest forms of money used by people are categorised by collectors as "odd and curious", but the use of other goods in barter exchange is excluded, even where used as a circulating currency (e.g., cigarettes or instant noodles in prison). As an example, the Kyrgyz people used horses as the principal currency unit, and gave small change in lambskins; the lambskins may be suitable for numismatic study, but the horses are not. Many objects have been used for centuries, such as cowry shells, precious metals, cocoa beans, large stones, and gems. (Full article...)

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The dime, in United States usage, is a ten-cent coin, one tenth of a United States dollar, labeled formally as "one dime". The denomination was first authorized by the Coinage Act of 1792.

The dime is the smallest in diameter and is the thinnest of all U.S. coins currently minted for circulation, being 0.705 inches (17.91 millimeters) in diameter and 0.053 in (1.35 mm) in thickness. The obverse of the current dime depicts the profile of President Franklin D. Roosevelt and the reverse boasts an olive branch, a torch, and an oak branch, from left to right respectively. (Full article...)
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Credit: Yom & Sniff.
Coin of King Ebana of Aksum.

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Newfoundland 2 dollar coin
Reverse, Newfounland two dollars

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Bullion (1997–present), Proof (1997–2017)

The American Platinum Eagle is the official platinum bullion coin of the United States. In 1995, Director of the United States Mint Philip N. Diehl, American Numismatic Association President David L. Ganz, and Platinum Guild International Executive Director Jacques Luben began the legislative process of creating the Platinum Eagle. After over two years of work, the 99.95% fine platinum coins were released by the United States Mint in 110, 14, 12 and 1 troy oz denominations. In late 2008, the fractional denominations were discontinued, leaving only the one ounce denomination. The Platinum Eagle is authorized by the United States Congress, and is backed by the United States Mint for weight, content, and purity.

Proof versions of the coins are intended for coin collectors and sold directly to the public whereas the bullion versions are sold only to the Mint's authorized buyers. The proof American Platinum Eagles are unique in the fact that they are the only U.S. bullion coins that have a yearly alternating design. Bullion versions are minted with the same design every year. While minted, the uncirculated Platinum Eagles matched the proof designs and were struck on burnished coin blanks with a "W" mint mark signifying West Point, further distinguishing them from the bullion versions. (Full article...)

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Credit: Ronald Wise, banknoteworld
Back of 100 Kyrgyz som, printed and issued in 2002.

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Numismatic terminology

  • Bullion – Precious metals (platinum, gold and silver) in the form of bars, ingots or plate.
  • Error – Usually a mis-made coin not intended for circulation, but can also refer to an engraving or die-cutting error not discovered until the coins are released to circulation. This may result is two or more varieties of the coin in the same year.
  • Exonumia – The study of coin-like objects such as token coins and medals, and other items used in place of legal currency or for commemoration.
  • Fineness – Purity of precious metal content expressed in terms of one thousand parts. 90% is expressed as .900 fine.
  • Notaphily – The study of paper money or banknotes.
  • Scripophily – The study and collection of stocks and Bonds.

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Numismatic topics

Modern currency: Africa - The Americas - Asia and the Pacific - Europe - Bullion coins - Challenge coin - Commemorative coins - Token coins

Production: Coining (machining) - Designers - Die making - Mint (coin)  Coinage Metals: Aluminum - Bronze - Copper - Gold - Platinum - Silver - Tin

Exonumia - Notaphily - Scripophily



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Central banks  Currencies  Circulating currencies  Historical currencies  US community currencies  Canadian community currencies  Mints  Motifs on banknotes  Most expensive coins

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Most traded currencies

Most traded currencies by value
Currency distribution of global foreign exchange market turnover[1]
Rank Currency ISO 4217
code
Symbol or
abbreviation
Proportion of daily volume
April 2019 April 2022
1U.S. dollarUSDUS$88.3%88.5%
2EuroEUR32.3%30.5%
3Japanese yenJPY¥ / 16.8%16.7%
4SterlingGBP£12.8%12.9%
5RenminbiCNY¥ / 4.3%7.0%
6Australian dollarAUDA$6.8%6.4%
7Canadian dollarCADC$5.0%6.2%
8Swiss francCHFCHF4.9%5.2%
9Hong Kong dollarHKDHK$3.5%2.6%
10Singapore dollarSGDS$1.8%2.4%
11Swedish kronaSEKkr2.0%2.2%
12South Korean wonKRW₩ / 2.0%1.9%
13Norwegian kroneNOKkr1.8%1.7%
14New Zealand dollarNZDNZ$2.1%1.7%
15Indian rupeeINR1.7%1.6%
16Mexican pesoMXN$1.7%1.5%
17New Taiwan dollarTWDNT$0.9%1.1%
18South African randZARR1.1%1.0%
19Brazilian realBRLR$1.1%0.9%
20Danish kroneDKKkr0.6%0.7%
21Polish złotyPLN0.6%0.7%
22Thai bahtTHB฿0.5%0.4%
23Israeli new shekelILS0.3%0.4%
24Indonesian rupiahIDRRp0.4%0.4%
25Czech korunaCZK0.4%0.4%
26UAE dirhamAEDد.إ0.2%0.4%
27Turkish liraTRY1.1%0.4%
28Hungarian forintHUFFt0.4%0.3%
29Chilean pesoCLPCLP$0.3%0.3%
30Saudi riyalSAR0.2%0.2%
31Philippine pesoPHP0.3%0.2%
32Malaysian ringgitMYRRM0.2%0.2%
33Colombian pesoCOPCOL$0.2%0.2%
34Russian rubleRUB1.1%0.2%
35Romanian leuRONL0.1%0.1%
36Peruvian solPENS/0.1%0.1%
37Bahraini dinarBHD.د.ب0.0%0.0%
38Bulgarian levBGNBGN0.0%0.0%
39Argentine pesoARSARG$0.1%0.0%
Other1.8%2.3%
Total[note 1]200.0%200.0%

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  1. The total sum is 200% because each currency trade is counted twice: once for the currency being bought and once for the one being sold. The percentages above represent the proportion of all trades involving a given currency, regardless of which side of the transaction it is on. For example, the US dollar is bought or sold in 88% of all currency trades, while the euro is bought or sold in 31% of all trades.
  1. "Triennial Central Bank Survey Foreign exchange turnover in April 2022" (PDF). Bank for International Settlements. 27 October 2022. p. 12. Archived (PDF) from the original on 2022-10-27. Retrieved 2022-10-29.
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