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

Kellogg & Co. Gold Piece
Private gold coinage struck by the San Francisco firm Kellogg & Co. during the California Gold Rush, including the famous octagonal fifty-dollar 'slug' of 1855, filling a shortage of circulating coin.
United States
Spanish 8 Reales (Piece of Eight)
The legendary 'piece of eight,' Spain's silver dollar-sized coin that became the world's first truly global currency and the direct ancestor of the U.S. dollar.
World
Spanish 2 Reales Pillar
The Pillar 2 Reales was a fractional Spanish colonial silver coin featuring the famous Pillars of Hercules design, struck at mints across Spanish America and widely used in international trade.
Latin American
Peru 8 Reales (Lima Mint)
The flagship silver dollar-size coin of colonial and early republican Peru, struck at the historic Lima mint from cob and pillar types through crowned-shield busts.
Latin American
Panama-Pacific $50 Gold (Round)
A massive round commemorative gold piece struck for the 1915 Panama-Pacific International Exposition, one of the rarest and most valuable U.S. commemorative coins ever issued.
Commemorative
George V Fifty Cents
Canada's fifty-cent silver coin issued under King George V, spanning a reduction in silver fineness in 1920 and including the famously rare 1921 date.
Canadian
Chinese Hupeh Province Dragon Dollar
Silver dragon dollar struck by the Hupeh (Hubei) provincial mint in late Qing China, part of the wave of regional dragon-dollar coinage issued across the empire's provinces.
Asian
Gold Britannia
The United Kingdom's premier gold bullion coin series, launched in 1987, featuring Britannia on the reverse and available in one-ounce and fractional weights.
Bullion
Athenian Owl Tetradrachm
Classical Athenian silver coin depicting Athena and her sacred owl, one of the most recognizable and widely circulated coinages of the ancient Mediterranean world.
Ancient
British Silver Britannia
The Royal Mint's one-ounce silver bullion coin, launched in 1997 as a silver companion to the Gold Britannia, featuring the same classical Britannia design.
Bullion
Britannia (Silver Bullion)
The Royal Mint's modern one-ounce silver bullion coin, featuring the classical figure of Britannia, popular with investors and design collectors worldwide.
Bullion
Canadian Silver Maple Leaf
Canada's flagship one-ounce silver bullion coin, prized for its exceptionally high .9999 purity and evolving anti-counterfeiting security features.
Bullion
Chinese Qing Dynasty Cash (Qian Long Tong Bao)
A brass cash coin issued during the long, prosperous reign of the Qianlong Emperor, one of the most commonly encountered Qing Dynasty coins in collections today.
Asian
Brutus EID MAR Denarius
One of the most famous coins in existence, issued by Julius Caesar's assassin Brutus to commemorate the Ides of March, showing two daggers flanking a cap of liberty.
Ancient
Magnentius Double Centenionalis
A large bronze coin of the usurper Magnentius featuring one of the earliest large Christian Chi-Rho symbols on Roman coinage.
Ancient
Ides of March Denarius (EID MAR)
A denarius struck by Brutus in 42 BC commemorating Julius Caesar's assassination, showing daggers and a liberty cap — one of the most famous and valuable ancient coins ever made.
Ancient
Constantius II Centenionalis
A bronze centenionalis of Constantius II featuring the dramatic 'Fallen Horseman' reverse, one of the most famous designs of the Late Roman Empire.
Ancient
Ecuador Sucre Silver
Ecuador's historic silver one-sucre coin, named after independence hero Antonio Jose de Sucre, circulated for decades before Ecuador's currency was eventually replaced by the US dollar.
Latin American
German Saxony Ducat
A high-purity gold trade coin struck for centuries by the rulers of Saxony, one of the most important German states before national unification.
European
German Bavaria Thaler
A large silver crown-sized coin issued by the Bavarian state, one of many German territorial thalers struck before German unification.
European
Syracuse Dekadrachm (Kimon)
A magnificent silver dekadrachm from ancient Syracuse signed by the master engraver Kimon, prized as one of the finest achievements of Greek coin art.
Ancient
Larissa Nymph Facing Drachm
A celebrated Thessalian silver drachm showing the facing head of the nymph Larissa, considered one of the finest facing-portrait achievements in Greek coin art.
Ancient
Austrian Silver Philharmonic
Austria's modern one-ounce silver bullion coin, launched in 2008 as a companion to the long-running gold Philharmonic, featuring the instruments of the Vienna Philharmonic Orchestra.
Bullion
Third Guinea
A small gold coin worth one-third of a guinea, or seven shillings, struck under George III in the years leading up to the introduction of the modern sovereign.
British