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

Three-Dollar Gold Piece
An unusual and short-lived gold denomination created partly to simplify buying sheets of three-cent postage stamps, now a favorite oddity among gold coin collectors.
United States
Grant Memorial Gold Dollar
A commemorative gold dollar marking the centennial of Ulysses S. Grant's birth, famous for a rare small-star variety on the obverse.
Commemorative
McKinley Memorial Gold Dollar
A small commemorative gold dollar honoring assassinated President William McKinley, sold to raise funds for a memorial building in his Ohio birthplace.
Commemorative
Ottoman Gold 500 Kurus (Abdulhamid II)
A substantial gold coin struck under Sultan Abdulhamid II, equal to five Ottoman lira, bearing his tughra and used both for circulation and as a store of wealth.
World
Peruvian Libra de Oro (Gold Pound)
Peru's gold pound, modeled on the British sovereign's weight and fineness, was struck intermittently to support Peru's participation in the international gold standard.
Latin American
Spanish 100 Reales Gold (Isabel II)
A mid-19th-century Spanish gold coin struck under Queen Isabel II, part of Spain's pre-peseta reales-based monetary system.
European
French 10 Francs Gold (Napoleon Rooster)
A small French gold coin from the Third Republic featuring the Gallic rooster reverse, a smaller companion to the famous 20 francs 'Coq' gold piece.
European
Type 2 Indian Princess Gold Dollar
A short-lived, notoriously weakly struck redesign of the U.S. gold dollar, prized today for its brief production window and the striking difficulties that led to its quick replacement.
United States
Type 1 Liberty Head Gold Dollar
The first United States gold dollar, a tiny coin introduced during the California Gold Rush and among the smallest coins ever struck by the U.S. Mint.
United States
Isle of Man Angel Gold Coin
The Isle of Man Angel is a modern gold bullion coin series depicting the archangel Michael slaying a dragon, struck by the Pobjoy Mint under license from the Isle of Man government since the 1980s.
Bullion
Australian Gold Sovereign (Sydney Mint)
Gold sovereign struck at the Sydney Mint, Australia's first branch mint, opened to coin gold from the New South Wales gold rushes into imperial currency.
Africa & Oceania
Mexican Gold Centenario (50 Pesos)
Mexico's iconic gold coin, first struck in 1921 to mark a century of independence, depicting the Angel of Independence and still produced today as bullion.
Bullion
Brazilian 6400 Reis Gold (Peça)
A substantial colonial Brazilian gold coin nicknamed the "peça" (piece), widely known abroad as the "Johannes" or "Joe," and once common in trade across the Atlantic world.
Latin American
Japanese Nishu-kin (gold coin)
Small rectangular gold coin from Tokugawa Japan valued at two shu, or one-eighth of a ryo, part of a fractional gold denomination system unique to Edo-period currency.
Asian
India Gold Pagoda (Madras Presidency)
Small gold coin traditionally used across South India, later adopted and standardized by the East India Company's Madras Presidency before being phased out for rupee-based currency.
Asian
Japanese Meiji Gold 20 Yen
The largest and highest-denomination gold coin of Meiji-era Japan, featuring an imperial dragon design, struck to underpin Japan's modern gold-backed currency system.
Asian
Swiss 10 Francs Gold Vreneli
The smallest denomination of Switzerland's iconic "Vreneli" gold series, featuring a Swiss maiden's profile, prized by collectors and gold buyers alike for its classic design and modest size.
European
German Prussia 20 Mark Gold
The standard gold coin of Prussia within the newly unified German Empire, featuring successive Prussian kings and forming a key part of the empire's gold mark system.
European
French 40 Francs Gold (Napoleon)
An early gold coin of Napoleon Bonaparte as First Consul and later Emperor, struck under France's new decimal franc system.
European
Netherlands 10 Gulden Gold (Wilhelmina)
The gold 10 Gulden coin featuring Queen Wilhelmina was the Netherlands' standard gold circulation and reserve coin in the early 20th century, later restruck as a recognized gold bullion piece.
European
Swiss 20 Francs Gold Vreneli
Switzerland's beloved gold 20-franc coin, nicknamed "Vreneli" after the young woman on its obverse, prized worldwide as an approachable and historically rich gold bullion and collector coin.
European
Five Pound Gold (Quintuple Sovereign)
The largest standard gold coin in the British sovereign family, worth five pounds and equal to five sovereigns, struck intermittently since 1820 for commemorative and collector purposes.
British
Two Pound Gold (Double Sovereign)
A gold coin worth two pounds sterling and roughly twice the weight of a sovereign, struck mainly for jubilees, coronations, and modern proof or bullion sets rather than daily circulation.
British
Kroisos (Croeseid) Gold Stater of Lydia
A pure gold stater struck under King Croesus of Lydia, part of history's first coinage issued in separate fixed-purity gold and silver denominations.
Ancient