Coin Identifier

Coin Encyclopedia

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

Argentine 8 Escudos Gold (1813)

Argentine 8 Escudos Gold (1813)

An extremely rare gold coin from the earliest years of Argentine independence, struck briefly at Potosí under revolutionary authority and bearing the iconic Sun of May.

Latin American
Celtic Gold Stater

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
Marcus Aurelius Denarius

Marcus Aurelius Denarius

The silver coin of the philosopher-emperor Marcus Aurelius, struck during years of war and plague, reflecting a reign celebrated for its Stoic ideals amid crisis.

Ancient
1984 Los Angeles Olympics Commemorative Dollar

1984 Los Angeles Olympics Commemorative Dollar

The second year of a two-year US commemorative coin program, this 1984-dated silver dollar helped fund the Los Angeles Olympic Games and featured Olympic-themed artwork struck at three US mints.

Commemorative
Byzantine Solidus

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
Venetian Gold Ducat

Venetian Gold Ducat

First struck in 1284, the Venetian gold ducat became medieval Europe's most trusted trade coin, prized for centuries for its unwavering weight and purity.

European
Florentine Florin

Florentine Florin

Introduced in 1252, the gold florin of Florence became medieval Europe's leading trade coin, its lily emblem and fixed gold standard copied by dozens of other mints.

European
Hungarian Ducat

Hungarian Ducat

A remarkably long-lived gold coin of the Kingdom of Hungary, showing St. Ladislaus and the Madonna and Child, prized for centuries as one of Europe's most trusted trade coins.

European
French Louis d'Or

French Louis d'Or

The Louis d'Or was the principal gold coin of the French monarchy for over 150 years, named after the kings Louis who issued it, and struck until the eve of the Revolution.

European
Caracalla Antoninianus

Caracalla Antoninianus

The first antoninianus coins, introduced by Caracalla in 215 AD as a debased double-denarius identified by the emperor's radiate crown.

Ancient
Third Guinea

Third Guinea

A small gold coin worth one-third of a guinea, or seven shillings, struck under George III in the years leading up to the introduction of the modern sovereign.

British
1885 Trade Dollar

1885 Trade Dollar

One of the rarest official United States coins, a proof-only issue struck years after the Trade dollar series had officially ended, with only a handful of examples known.

United States
Venetian Ducat

Venetian Ducat

Gold coin first struck by the Republic of Venice in 1284, prized for its remarkably consistent weight and purity, which made it a dominant trade coin across medieval and Renaissance Europe.

European
1794 Flowing Hair Cent

1794 Flowing Hair Cent

An early United States large copper cent from the first years of the Mint, associated with the Flowing Hair Liberty portrait used on the nation's earliest coinage.

United States
Yuan Shih-kai Dollar ("Fat Man Dollar")

Yuan Shih-kai Dollar ("Fat Man Dollar")

A widely circulated Republic of China silver dollar bearing the portrait of President Yuan Shikai, nicknamed the "Fat Man Dollar" for his rounded features and became China's standard silver coin for years.

Asian
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
Byzantine Gold Solidus

Byzantine Gold Solidus

The gold standard coin of the Byzantine Empire for over 700 years, prized in medieval trade as far away as India and Scandinavia under the nickname "bezant."

Ancient
Visigothic Gold Tremissis

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
Swiss 5 Francs Silver

Swiss 5 Francs Silver

The Swiss 5 Francs was Switzerland's largest circulating silver coin for over a century, featuring the standing figure of Helvetia, and remains a favorite among collectors of European silver crowns.

European
Finnish Markka

Finnish Markka

Finland's national currency from the era of Russian imperial rule until the adoption of the euro, issued in a range of coin denominations reflecting the country's changing political history.

European
Islamic Silver Dirham (Abbasid)

Islamic Silver Dirham (Abbasid)

The standard silver coin of the Abbasid Caliphate, continuing the text-only Kufic script tradition and widely used across a vast medieval trade network stretching from Europe to Central Asia.

Ancient
Kai Yuan Tong Bao Cash

Kai Yuan Tong Bao Cash

A landmark Tang dynasty cash coin whose four-character reign-title inscription became the standard template for Chinese, and much of East Asian, coinage for the next 1,300 years.

Ancient
Guinea

Guinea

Historic British gold coin named for the West African region that supplied much of its gold, valued at 21 shillings for most of its history and predecessor to the modern sovereign.

British
South African Silver Krugerrand

South African Silver Krugerrand

The silver version of the world-famous Krugerrand, launched in 2017 to mark the gold coin's 50th anniversary, using the same Kruger and springbok design.

Bullion