Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Quarter Guinea
A rarely issued small gold coin worth one-quarter of a guinea, struck only in 1718 under George I and again briefly in 1762 under George III.
British
Isabella Quarter
The only U.S. commemorative quarter dollar, struck for the 1893 World's Columbian Exposition and featuring Queen Isabella I of Spain, sponsor of Columbus's voyage.
Commemorative
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
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
Corinthian Pegasus Stater
A widely circulated ancient Greek silver coin from Corinth, featuring the winged horse Pegasus on the obverse and a helmeted head of Athena on the reverse.
Ancient
1913 Barber Quarter
A lower-mintage date in the Barber Quarter series designed by Charles E. Barber, notable among collectors for the relatively small number struck at the Philadelphia Mint that year.
United States
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
Poseidonia (Paestum) Poseidon Stater
An early Magna Graecia silver stater from Poseidonia showing the sea god Poseidon striding forward with a raised trident, named for and emblematic of the city itself.
Ancient
Carthage Zeugitania Electrum Stater
A gold-silver electrum coin struck by Carthage, chiefly to fund its wars in Sicily, showing a wreathed female head and a horse or horse's head.
Ancient
Lydian Croeseid (Croesus Stater)
One of history's earliest bimetallic coinages, struck under the legendary King Croesus of Lydia, featuring the confronting foreparts of a lion and a bull.
Ancient
Celtic Gold Stater of the Parisii
A gold stater struck by the Parisii, the Gallic tribe that gave its name to Paris, showing highly abstracted, stylized versions of Greek prototype designs.
Ancient
Elis Olympia Zeus Stater
A silver stater struck by the city-state of Elis, guardian of the sanctuary of Olympia, showing Zeus on the obverse and his sacred eagle on the reverse.
Ancient
Aegina Land Tortoise Stater
A silver stater from the island of Aegina bearing a land tortoise, successor to the earlier sea-turtle design and among the earliest widely circulated coinages in the Greek world.
Ancient
1921 Standing Liberty Quarter
A low-mintage key date of the Standing Liberty quarter series struck only at Philadelphia, valued for its scarcity across all grades.
United States
1896-S Barber Quarter
One of the three classic key dates of the Barber quarter series, valued for its low original mintage and the difficulty of finding problem-free survivors.
United States
1913-S Barber Quarter
A famous low-mintage key date near the end of the Barber quarter series, prized by collectors despite its worn survivors due to its very small original production.
United States
1804 Draped Bust Quarter
The key date of the short Draped Bust, Heraldic Eagle quarter series, the 1804 issue had a very small original mintage and ranks among the rarest and most valuable early United States quarters in any condition.
United States
Ostrogothic Silver Quarter Siliqua
Small silver coin struck by the Ostrogothic kings of Italy in the name of the reigning Byzantine emperor, bearing the Gothic king's monogram on the reverse.
European
Capped Bust Quarter Eagle
An umbrella term for the earliest U.S. $2.50 gold coins (1796-1834), whose Liberty-in-a-cap portrait evolved through several sub-types, including the famous single-year 1808 issue.
United States
1916 Standing Liberty Quarter
The extremely low-mintage first-year issue of the Standing Liberty quarter, one of the most famous key dates in all of United States coinage.
United States