Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1878 Twenty-Cent Piece (Proof)
The final-year proof-only issue of the US twenty-cent piece, struck for collectors just before Congress formally ended the short-lived denomination.
United States
1877 Twenty-Cent Piece (Proof)
A proof-only issue of the twenty-cent piece, struck for collectors after the denomination had already been abandoned for regular circulation.
United States
1796 Draped Bust Quarter
The very first quarter dollar struck by the United States Mint, a one-year type coin with a tiny mintage that is treasured by collectors of early American silver.
United States
2021 Tuskegee Airmen America the Beautiful Quarter
A 2021 America the Beautiful Quarter honoring the Tuskegee Airmen, the pioneering African American military pilots of World War II, at their Alabama training site.
United States
1866 Seated Liberty Quarter (Motto)
The first year the motto IN GOD WE TRUST appeared on the quarter dollar, the low-mintage 1866 Philadelphia issue is a genuine key date of the Seated Liberty series.
United States
1934 Washington Quarter Doubled Die Obverse
An early doubled die variety from the second year of the Washington quarter series, showing doubling on the obverse and collected as part of specialized variety sets.
Errors & Varieties
Type II Silver Three-Cent Piece
A short-lived redesign of the silver three-cent piece with heavier silver content and an outlined star, known for weak strikes and generally low mintages.
United States
Draped Bust Large Cent
An early American copper cent showing a classically draped Liberty, based on a Gilbert Stuart portrait, minted at the dawn of United States coinage.
United States
1851 Silver Three-Cent Piece
The first-year issue of the tiny Type I silver three-cent piece, nicknamed the trime, created to ease a national shortage of small change and postage-stamp coinage.
United States
Bahraini Dinar
Modern decimal currency of Bahrain, introduced in 1965 to replace the Gulf Rupee, with the dinar divided into 1,000 fils.
Asian
1857 Flying Eagle Cent
The first-year circulation issue of the Flying Eagle Cent, marking the debut of the small-format cent that replaced the old large copper cent.
United States
George Noble
A short-lived English gold coin of 1526 depicting St. George slaying the dragon, among the rarest coins of Henry VIII's reign.
British
Fifty Pence
The UK's distinctive seven-sided 50p coin, introduced in 1969 to replace the ten shilling note ahead of decimalisation.
British
Quarter Guinea
A rarely issued small gold coin worth one-quarter of a guinea, struck only in 1718 under George I and again briefly in 1762 under George III.
British
Chinese Knife Money (Ming Dao)
An ancient Chinese bronze currency cast in the shape of a knife, bearing a character often read as "Ming" on its blade, used mainly by the northern state of Yan before round coinage prevailed.
Asian
Norwegian Speciedaler
Norway's principal silver coin from the establishment of its independent currency in 1816 until the krone reform of the 1870s.
European
Spanish 4 Reales
A mid-value denomination of Spain's traditional real-based coinage, struck for centuries in both Spain and its American colonies.
European
French 40 Francs Gold (Napoleon)
An early gold coin of Napoleon Bonaparte as First Consul and later Emperor, struck under France's new decimal franc system.
European
1921 Peace Dollar (High Relief)
The debut issue of the Peace dollar, struck in dramatic high relief that proved difficult to mint, commemorating peace after World War I.
United States
Draped Bust Half Cent
An early U.S. copper coin depicting a draped bust of Liberty, struck for everyday small change in the first decade of the 19th century.
United States
Republican Quinarius
A half-denarius silver coin of the Roman Republic, often depicting the twin gods Castor and Pollux (the Dioscuri) riding on horseback.
Ancient
Valens Siliqua
A thin silver siliqua of Valens, eastern Roman emperor who died at the disastrous Battle of Adrianople against the Goths in 378 AD.
Ancient
Constantine CONSTANTINOPOLIS Commemorative
A small bronze commemorative celebrating the founding of Constantinople, showing Victory standing on a ship's prow on the reverse.
Ancient
Elis Olympia Zeus Stater
A silver stater struck by the city-state of Elis, guardian of the sanctuary of Olympia, showing Zeus on the obverse and his sacred eagle on the reverse.
Ancient