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

Nerva Denarius
Silver denarius of the elderly senator Nerva, first of Rome's "Five Good Emperors," whose brief reign is best remembered for adopting Trajan as his successor.
Ancient
Mexican Estados Unidos 1 Peso 'Morelos'
A mid-twentieth-century Mexican silver peso portraying independence hero José María Morelos, struck in fifty-percent silver for just a few years after World War II.
Latin American
US Peace Dollar
Silver dollar issued starting in 1921 to commemorate peace after World War I, featuring a radiant Liberty head and an eagle resting on a mountain with an olive branch.
United States
Titus Denarius
The silver denarius of Emperor Titus, second Flavian ruler, celebrated for completing the Colosseum and for a short, well-regarded reign.
Ancient
Byzantine Miliaresion
The main large silver coin of the middle Byzantine Empire, introduced in the 8th century and typically featuring a plain cross on steps, reflecting the era's Iconoclast religious tensions.
Ancient
Julia Domna Denarius
Silver denarius of Julia Domna, Syrian-born wife of Septimius Severus and mother of Caracalla, a politically influential empress of the Severan dynasty.
Ancient
Draped Bust Dollar
The first regular-issue U.S. silver dollar with the Draped Bust design, struck 1795-1804, featuring a small eagle reverse and later a heraldic eagle reverse.
United States
Antoninus Pius Denarius
Silver denarius of Antoninus Pius, whose long, peaceful reign is remembered for stability and prosperity, including coins marking Rome's 900th anniversary.
Ancient
1839 Gobrecht Dollar
The final-year Gobrecht dollar, bridging the earlier pattern strikes of 1836-1838 and the full-scale Seated Liberty dollar series that followed in 1840.
United States
1836 Gobrecht Dollar
The first-year Gobrecht dollar, famous for its seated Liberty obverse and flying eagle reverse, and for briefly including engraver Christian Gobrecht's name on the design.
United States
Two-Cent Piece
A short-lived Civil War-era coin notable as the first U.S. coin to bear the motto 'IN GOD WE TRUST,' issued to help ease a wartime coin shortage.
United States
Elagabalus Denarius
Silver denarius of the teenage Syrian priest-emperor Elagabalus, whose brief, scandal-ridden reign is reflected in unusual reverse types tied to his sun-god cult.
Ancient
Groat (Fourpence)
A historic English silver coin worth four pence, first struck under Edward I in 1279 and periodically revived, later surviving mainly as a Maundy Money denomination.
British
Domitian Denarius
Silver coin of the last Flavian emperor, Domitian, whose lengthy autocratic reign produced abundant, well-struck denarii before his assassination and damnatio memoriae.
Ancient
English Crown
A large English silver coin worth five shillings, first struck under Henry VIII, that became one of Britain's most artistically celebrated denominations before decimalization.
British
German States Thaler
A large silver coin struck by the many independent states of the German-speaking world for over three centuries, and the direct linguistic ancestor of the word 'dollar.'
European
1943 Washington Quarter Doubled Die Obverse
A wartime-era doubled die variety of the Washington quarter showing clear doubling on obverse design elements, popular among collectors of Mint error and variety coins.
Errors & Varieties
Commodus Denarius
Silver denarius of Commodus, the erratic son of Marcus Aurelius, whose later coinage famously depicted him as Hercules with lion skin and club.
Ancient
Republican Victoriatus
A lighter-weight Roman Republican silver coin depicting Jupiter and a Victory crowning a trophy, used largely for trade with the Greek-influenced south.
Ancient
French Ecu (Louis d'Argent)
France's principal large silver coin of the pre-revolutionary era, bearing the reigning king's portrait, used as the standard silver crown-sized coin for over a century before decimalization.
European
Dutch Rijksdaalder
A historic Dutch silver trade coin dating to the Dutch Republic, later continued as a denomination of the Kingdom of the Netherlands.
European
1794 Flowing Hair Dollar
The very first silver dollar struck by the United States Mint, produced in extremely limited numbers and ranking among the most valuable American coins in existence.
United States
1943 Copper Lincoln Cent
An extremely rare mint error where a handful of 1943 cents were struck on leftover bronze planchets instead of the wartime steel used that year, making it one of the most famous US coin errors.
Errors & Varieties
US Morgan Dollar
Classic American silver dollar struck from 1878 to 1921, named for designer George T. Morgan and known for its detailed Liberty head and eagle reverse.
United States