Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Philippine 20 Centavos (US-Philippines)
A small silver coin from the US administration of the Philippines, showing Liberty striking an anvil before Mount Mayon on the obverse and a heraldic eagle on the reverse.
Asian
United States Trade Dollar
A heavier silver dollar issued specifically for trade with China and East Asia, the Trade Dollar circulated internationally before being demonetized and later collected as a design classic.
United States
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
United Arab Emirates Dirham
Federal currency introduced in 1973 after the formation of the UAE, unifying the emirates' varied prior currencies into a single dirham divided into 100 fils.
Asian
Papal States Scudo
The principal silver coin of the Papal States, bearing the portrait or arms of the reigning pope alongside religious imagery, struck for centuries until the Papal territories' loss of independence.
European
Italian Scudo (Papal States)
A large silver coin issued by the Papal States under successive popes, blending religious imagery with the temporal authority of the papacy.
European
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
Philippine Peso (US Administration, 1903)
Silver one-peso coin struck for the Philippines under early American colonial administration, part of a new US-designed coinage system introduced in 1903.
Asian
Unite
A gold twenty-shilling coin introduced by James I in 1604 to celebrate the union of the English and Scottish crowns, its name literally symbolizing the joining of the two kingdoms.
British
Spanish-Philippine 8 Reales Counterstamped Dollar
Spanish colonial 8 reales silver dollar officially countermarked for circulation in the Philippines, a hybrid of Spanish American and Philippine monetary history.
Asian
Philippine 50 Centavos (Commonwealth, 1936)
A special 1936 silver 50-centavo coin marking the establishment of the Commonwealth of the Philippines, issued in two paired-portrait varieties honoring Quezon alongside Murphy or Roosevelt.
Asian
2008 Hawaii State Quarter
The final release of the 50 State Quarters Program, honoring Hawaii with an image of King Kamehameha I extending his hand over the Hawaiian islands.
United States
US State Quarters Series
A landmark US Mint program issuing a new quarter reverse design for each of the 50 states in the order they joined the Union, sparking widespread collecting interest nationwide.
United States
2004 Texas State Quarter
A 2004 entry in the 50 State Quarters Program depicting an outline of Texas with a lone star, honoring the state's independent history as the Lone Star State.
United States
1999 Pennsylvania State Quarter
The second release in the U.S. Mint's 50 State Quarters Program, honoring Pennsylvania with a design featuring the state's outline, a keystone, and the Commonwealth statue.
Commemorative
1999 Delaware State Quarter
The debut coin of the U.S. Mint's 50 State Quarters Program, honoring Delaware as the first state to ratify the Constitution, featuring Caesar Rodney's historic ride.
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
Kaulonia Apollo Stater
An archaic South Italian silver stater from Kaulonia depicting Apollo striding with a small running figure on his outstretched arm and a stag beside him.
Ancient
1999 New Jersey State Quarter
One of the original five 1999 State Quarters, honoring New Jersey with a rendition of Washington Crossing the Delaware, launching the wildly popular 50 State Quarters Program.
United States
2004 Wisconsin State Quarter Extra Leaf
A famous modern variety of the 2004 Wisconsin state quarter showing an unexplained extra leaf on the corn cob, found in both 'low leaf' and 'high leaf' forms.
Errors & Varieties
Boeotia Federal Coinage Stater
A silver stater struck under the Boeotian League's shared coinage system, instantly recognizable by the distinctive figure-eight Boeotian shield on the obverse.
Ancient
Thebes Boeotian Shield Stater
A silver stater from Boeotia bearing the distinctive figure-eight-shaped Boeotian shield, the common civic emblem struck by Thebes and its allied cities for centuries.
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
Armorican Billon Stater
A debased silver-alloy stater struck by Celtic tribes of Armorica (modern Brittany), showing wildly abstracted horse and head designs derived from Greek prototypes.
Ancient