Coin Identifier

Coin Encyclopedia

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

Philippine Peso (US Administration, 1903)

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
Netherlands East Indies VOC Duit

Netherlands East Indies VOC Duit

Copper coin struck by the Dutch East India Company (VOC) for circulation in its Asian trading territories, a common relic of 18th-century colonial commerce.

Asian
Spanish 20 Pesetas Gold (Alfonso XII)

Spanish 20 Pesetas Gold (Alfonso XII)

Spain's standard gold coin of the Latin Monetary Union era, struck under King Alfonso XII following the restoration of the Spanish monarchy in the 1870s.

European
Netherlands Rijksdaalder Gulden

Netherlands Rijksdaalder Gulden

The 2.5 guilder coin of the Kingdom of the Netherlands, carrying forward the historic rijksdaalder name through the monarchy era until the euro's adoption.

European
German 3 Mark Silver

German 3 Mark Silver

A large silver coin of Imperial Germany, issued by the various constituent states with distinct rulers' portraits and commemorative designs.

European
Austrian 20 Corona Gold

Austrian 20 Corona Gold

A compact gold coin of the Austro-Hungarian Empire depicting Emperor Franz Joseph I, widely available today as an accessible historic gold piece.

European
Constantius I Chlorus Follis

Constantius I Chlorus Follis

Reform-era bronze follis of Constantius I Chlorus, Caesar and later Augustus of the western Tetrarchy, remembered chiefly as the father of Constantine the Great.

Ancient
Gordian III Antoninianus

Gordian III Antoninianus

Radiate silver coin of Gordian III, who became sole emperor at about thirteen years old and reigned through Rome's costly war with Sassanid Persia.

Ancient
Caracalla Denarius

Caracalla Denarius

Silver denarius of Caracalla, son of Septimius Severus, remembered for extending Roman citizenship empire-wide and for murdering his brother Geta.

Ancient
Abdera Griffin Tetradrachm

Abdera Griffin Tetradrachm

Silver tetradrachm of the Thracian city of Abdera, featuring the mythical griffin inherited from its mother-city Teos, with magistrates' names on the reverse.

Ancient
Segesta Hound Tetradrachm

Segesta Hound Tetradrachm

Silver coin of Segesta in western Sicily, an Elymian city whose coinage features a hunting hound, linked to local legend of the river god Krimisos.

Ancient
Chalkidian League Apollo Tetradrachm

Chalkidian League Apollo Tetradrachm

Silver tetradrachm issued by the Chalkidian League of northern Greek cities, showing the laureate head of Apollo and a lyre, minted at Olynthus.

Ancient
Akragas (Agrigentum) Eagle and Crab Tetradrachm

Akragas (Agrigentum) Eagle and Crab Tetradrachm

A silver tetradrachm from the wealthy Sicilian city of Akragas, pairing an eagle, symbol of Zeus, with a river crab representing the city's local waterways.

Ancient
Kroton Tripod Stater

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

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
Leontini Lion Tetradrachm

Leontini Lion Tetradrachm

Silver tetradrachm of the Sicilian city of Leontini, showing the laureate head of Apollo and a lion's head or lion with barley grains, alluding to the city's wheat production.

Ancient
1921 Walking Liberty Half Dollar

1921 Walking Liberty Half Dollar

The three 1921 mintmark varieties are the acknowledged key dates of the Walking Liberty half dollar series, each struck in unusually small numbers.

United States
1936 Doubled Die Lincoln Cent

1936 Doubled Die Lincoln Cent

A doubled die obverse variety of the 1936 wheat cent showing visible doubling in the date and lettering, recognized in two distinct doubling strengths by collectors.

Errors & Varieties
1860 Indian Head Cent (Oak Wreath)

1860 Indian Head Cent (Oak Wreath)

The redesigned Indian Head cent introducing the oak wreath and shield reverse that would remain in use, with only a metal change in 1864, through the end of the series in 1909.

United States
Jefferson Nickel

Jefferson Nickel

Struck since 1938, the Jefferson Nickel pairs a portrait of Thomas Jefferson with his home, Monticello, and briefly switched to a silver alloy during World War II.

United States
1858 Flying Eagle Cent

1858 Flying Eagle Cent

The final year of the short-lived Flying Eagle Cent, struck in Large Letters and Small Letters varieties before the Indian Head design replaced it in 1859.

United States
British Britannia

British Britannia

The United Kingdom's official gold and silver bullion coin, featuring the classical helmeted figure of Britannia, issued by the Royal Mint since 1987.

Bullion
German States Thaler

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
Merovingian Gold Tremissis

Merovingian Gold Tremissis

A small gold coin of the Merovingian Frankish kingdom, worth one-third of a solidus, often naming the local moneyer who struck it rather than the reigning king.

European