Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Five Guinea
The largest regularly issued gold denomination of the guinea coinage system, worth five guineas, struck from the reign of Charles II through George II for major transactions and presentation purposes.
British
1804 Draped Bust Quarter
The key date of the short Draped Bust, Heraldic Eagle quarter series, the 1804 issue had a very small original mintage and ranks among the rarest and most valuable early United States quarters in any condition.
United States
Saudi Arabian Riyal (silver)
The standardized silver riyal introduced by King Abdulaziz to unify the currency of the newly formed Kingdom of Saudi Arabia, featuring Arabic inscriptions and national emblems without a ruler's portrait.
Asian
1944 Steel Lincoln Cent
A scarce transitional error in which a small number of 1944 cents were struck on leftover steel planchets after the Mint had already returned to bronze, the mirror-image counterpart to the famous 1943 copper cent.
Errors & Varieties
Siam Tin Pot Duang / Porcelain Gambling Token
Two related forms of traditional Siamese small change: tin versions of the bent bullet-shaped pot duang currency, and porcelain gambling tokens used informally as local currency in Chinese-run gaming houses.
Asian
Austrian 4 Ducat Gold
The Austrian 4 Ducat is a large, high-purity gold coin historically used for trade and hoarding, best known today through the officially restruck 1915-dated pieces still produced for the bullion market.
European
Fasces Three-Cent Nickel
A nickname sometimes applied to the copper-nickel Three-Cent Piece of 1865-1889, whose reverse wreath-and-numeral design is occasionally likened to classical fasces imagery from early pattern experiments.
United States