Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

1984 Los Angeles Olympics Commemorative Dollar
The second year of a two-year US commemorative coin program, this 1984-dated silver dollar helped fund the Los Angeles Olympic Games and featured Olympic-themed artwork struck at three US mints.
Commemorative
Cuba 4 Pesos Gold Jose Marti
A small gold denomination from Cuba's early republican-era gold coinage, part of a 1915–1916 series (1 through 20 pesos) struck to circulate on par with US gold currency.
Latin American
1965 Silver Washington Quarter (Transitional Error)
An extremely rare transitional error in which a 1965-dated quarter, meant to be struck in new copper-nickel clad metal, was accidentally struck on a leftover 90% silver planchet.
Errors & Varieties
2008 Beijing Olympics Commemorative Coins
China issued a large multi-year coin program ahead of the 2008 Beijing Olympics, spanning circulating 1 Yuan pieces and extensive gold and silver proof series depicting Olympic sports and Beijing landmarks.
Commemorative
New Zealand Florin (pre-decimal)
New Zealand's pre-decimal florin, famous for its kiwi-bird reverse design, circulated from 1933 until decimalization replaced it with the 20-cent coin in 1967.
Africa & Oceania
Shield Nickel
The first copper-nickel five-cent coin, the Shield Nickel features a national shield on the obverse and was issued from 1866 to 1883, including rare rays and proof-only dates.
United States
Australian Florin (pre-decimal)
Pre-decimal Australian silver florin worth two shillings, minted from 1910 until decimalization replaced it with the 20-cent coin in 1966.
Africa & Oceania
Buffalo Nickel
Beloved American five-cent coin featuring a Native American portrait and an American bison, designed by James Earle Fraser and celebrated for its distinctly American imagery.
United States
Three-Dollar Gold Piece
An unusual and short-lived gold denomination created partly to simplify buying sheets of three-cent postage stamps, now a favorite oddity among gold coin collectors.
United States
Netherlands Rijksdaalder Gulden
The 2.5 guilder coin of the Kingdom of the Netherlands, carrying forward the historic rijksdaalder name through the monarchy era until the euro's adoption.
European
Bahraini Dinar
Modern decimal currency of Bahrain, introduced in 1965 to replace the Gulf Rupee, with the dinar divided into 1,000 fils.
Asian
Omani Rial (Baisa Coinage)
Decimal currency of Oman introduced in 1970, dividing the rial into 1,000 baisa and typically featuring the Sultan's portrait and the national khanjar emblem.
Asian
Philip the Arab Antoninianus
Radiate coin of Philip the Arab, notable for celebrating Rome's 1,000th anniversary in 248 AD with a memorable series of animal-themed 'Saecular Games' reverse types.
Ancient
Kai Yuan Tong Bao Cash
A landmark Tang dynasty cash coin whose four-character reign-title inscription became the standard template for Chinese, and much of East Asian, coinage for the next 1,300 years.
Ancient
Long Island Tercentenary Half Dollar
A 1936 U.S. commemorative half dollar marking 300 years since the first European settlement on Long Island, New York.
Commemorative
Celtic Gold Stater
Iron Age gold coins struck by Celtic tribes across Gaul and Britain, evolving from close imitations of Macedonian staters into strikingly abstract, stylized designs.
Ancient
Venetian Gold Ducat
First struck in 1284, the Venetian gold ducat became medieval Europe's most trusted trade coin, prized for centuries for its unwavering weight and purity.
European
South African Mandela R5 Coin
South African circulating commemorative five-rand coin honoring Nelson Mandela, first issued for his 90th birthday in 2008 and again for his birth centenary in 2018.
Commemorative
Grant Memorial Gold Dollar
A commemorative gold dollar marking the centennial of Ulysses S. Grant's birth, famous for a rare small-star variety on the obverse.
Commemorative
Carolingian Silver Denier (Charlemagne)
Standardized silver penny introduced under Charlemagne's monetary reform, forming the template for medieval European currency for centuries afterward.
European
Hungarian Ducat
A remarkably long-lived gold coin of the Kingdom of Hungary, showing St. Ladislaus and the Madonna and Child, prized for centuries as one of Europe's most trusted trade coins.
European
Flowing Hair Half Dime
One of the earliest United States silver coins, the Flowing Hair Half Dime was struck only in 1794 and 1795 and is a landmark rarity for early American coinage collectors.
United States
Guatemala 8 Reales
A silver piece of eight struck at the Guatemala City mint, first under Spanish colonial rule and later continued through the Central American Federation and independent Guatemala.
Latin American
Swiss 5 Francs Silver
The Swiss 5 Francs was Switzerland's largest circulating silver coin for over a century, featuring the standing figure of Helvetia, and remains a favorite among collectors of European silver crowns.
European