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

Threepence
A small British coin worth three pence, issued first as a tiny silver piece and later as the distinctive 12-sided brass 'threepenny bit' beloved for its unusual shape.
British
Eukratides I Gold Stater (Baktria)
A gold stater of Eukratides I, the powerful Greco-Bactrian king best known for issuing the largest gold coin surviving from antiquity, depicting the divine twins Dioskouroi on horseback.
Ancient
Indian Head Quarter Eagle ($2.50)
A small gold coin featuring Bela Lyon Pratt's distinctive incuse Native American design, one of only two U.S. denominations ever struck with recessed devices.
United States
Joachimsthaler
Struck beginning in 1520 in the Bohemian silver-mining town of Joachimsthal, this large silver coin gave its name, shortened to 'thaler' and later 'dollar,' to countless currencies around the world.
European
Bavaria Thaler
The historic large silver coin of Bavaria, struck across centuries by its electors and kings, capturing the state's political and artistic history until Germany's currency unification in the 1870s.
European
Visigothic Gold Tremissis
Small gold coin of the Visigothic kings of Spain, evolving from crude imitations of Roman/Byzantine coinage into the first distinctly national royal coinage of post-Roman Western Europe.
European
English Sovereign of Henry VII
The first English sovereign, introduced by Henry VII in 1489 as a large, prestigious gold coin showing the king enthroned in majesty, meant to project royal power after the Wars of the Roses.
British
Italian 5 Lire Silver
The silver 5 Lire was the largest circulating silver coin of the newly unified Kingdom of Italy, featuring the portraits of its early kings and the national eagle, and remains a favorite of Italian collectors.
European
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
Syracuse Decadrachm
A large, exquisitely engraved silver coin from the Greek city of Syracuse, celebrated as one of the finest achievements of ancient Greek numismatic art, featuring the nymph Arethusa and a victorious chariot.
Ancient
Half Crown
A long-lived British coin worth one-eighth of a pound, struck from the Tudor era until decimalisation in 1970, valued today mainly for its portraits and design variety.
British
Two Pound Gold (Double Sovereign)
A gold coin worth two pounds sterling and roughly twice the weight of a sovereign, struck mainly for jubilees, coronations, and modern proof or bullion sets rather than daily circulation.
British
American Gold Eagle
The official U.S. gold bullion coin series since 1986, pairing Augustus Saint-Gaudens' famous Liberty design with a family-of-eagles reverse, issued in four sizes.
Bullion
Byzantine Solidus
The gold standard coin of the Byzantine Empire for over 700 years, the solidus funded an empire, financed trade across three continents, and remained one of history's most stable currencies.
Ancient
Polish-Lithuanian Thaler
The large silver trade coin of the Polish-Lithuanian Commonwealth, struck under successive kings from the 16th through 18th centuries, bearing royal portraits paired with the combined Polish eagle and Lithuanian Vytis arms.
European
Maria Theresa Thaler
An Austrian silver trade coin dated 1780 that has been restruck continuously for over two centuries, remaining a trusted currency across parts of Africa and the Middle East long after its original issue.
European
Australian Threepence (pre-decimal)
Small pre-decimal Australian silver coin worth three pence, popularly recognized for its bundled wheat-ear reverse design used across most of the 20th century.
Africa & Oceania
French 5 Francs "Napoleon"
A large silver crown-sized coin bearing the portrait of Napoleon Bonaparte, first as First Consul and later as Emperor, marking France's decimal franc system's early flagship silver denomination.
European
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
Rama IV Siamese Baht (first machine-struck)
Landmark Siamese silver coin introduced under King Mongkut (Rama IV), marking the country's shift from traditional bullet-shaped money to modern, flat, machine-struck coinage.
Asian
Alexander the Great Tetradrachm
The widely circulated silver coin of Alexander the Great, showing Herakles wearing a lion skin on the obverse and an enthroned Zeus on the reverse, struck across his empire and for generations after his death.
Ancient
Julius Caesar Elephant Denarius
One of the most widely recognized ancient Roman coins, struck under Julius Caesar's authority and depicting an elephant trampling a serpent, likely a symbolic image tied to Caesar's political struggles.
Ancient
Aegina Sea Turtle Stater
One of the earliest widely circulated Greek silver coins, struck by the island city-state of Aegina, featuring a sea turtle and later a land tortoise, and nicknamed simply 'turtles' by ancient traders.
Ancient
Tibetan Silver Tangka
The traditional silver coin denomination of Tibet, issued in many distinct types over roughly three centuries, from early Nepalese-struck coinage to native Tibetan and Sino-Tibetan issues.
Asian