Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
US Bicentennial Quarter (1976)
A special dual-dated quarter struck to celebrate the 200th anniversary of American independence, featuring a colonial drummer boy on the reverse in place of the usual eagle.
United States
US Seated Liberty Dollar
Mid-19th century American silver dollar showing Liberty seated on a rock, produced from 1840 until being replaced by the Trade Dollar in 1873.
United States
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
Trade Dollar
A heavier U.S. silver dollar struck specifically for trade with China and East Asia, later demonetized domestically and known for its distinctive weight-and-fineness inscription.
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
US Olympic Commemorative Dollar (1983)
The first coin in a two-year US commemorative program supporting the 1984 Los Angeles Olympics, the 1983 silver dollar features a discus-thrower design and marked a revival of American commemorative coinage.
Commemorative
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
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
1861 Confederate Half Dollar
An extraordinarily rare Civil War-era coin struck briefly at the Confederate-controlled New Orleans mint, using a genuine CSA reverse die paired with an existing US half dollar obverse.
United States
Sacagawea Golden Dollar
A golden-colored dollar coin introduced in 2000 depicting Sacagawea carrying her infant son, created to replace the unpopular Susan B. Anthony dollar in everyday commerce.
United States
1804 Draped Bust Dollar
One of the most famous rarities in American numismatics, a silver dollar dated 1804 but actually struck decades later, with only 15 known examples.
United States
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
Metapontum Barley Ear Stater
A silver stater from the Greek colony of Metapontum in southern Italy, celebrated for its elegant ear-of-barley design symbolizing the city's agricultural wealth.
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
Sybaris Bull Stater
An archaic incuse-fabric silver stater from the legendarily wealthy city of Sybaris, showing a bull looking back over its shoulder, struck before the city's destruction in 510 BC.
Ancient
Lampsakos Electrum Stater
An electrum stater from Lampsakos on the Hellespont, another important early precious-metal trade coinage of Asia Minor, often featuring a winged horse or janiform head.
Ancient
Kroton Tripod Stater
A silver stater from the Greek colony of Kroton in southern Italy, depicting Apollo's sacred tripod, among the finest examples of the early incuse coinage style.
Ancient
Cyzicus Electrum Stater
An electrum stater from the trading city of Cyzicus on the Sea of Marmara, part of one of the most important and long-lived precious-metal trade currencies of the ancient world.
Ancient