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

Constantius II Centenionalis
A bronze centenionalis of Constantius II featuring the dramatic 'Fallen Horseman' reverse, one of the most famous designs of the Late Roman Empire.
Ancient
Coat of Arms Fifty Cents (Elizabeth II)
Canada's modern fifty-cent piece, showing the Canadian coat of arms on the reverse since 1959 under successive obverse portraits of Queen Elizabeth II and, later, King Charles III.
Canadian
Ethiopian Birr (Menelik II)
Silver birr introduced by Emperor Menelik II of Ethiopia, modeled on the weight and fineness of the Maria Theresa thaler, featuring his crowned bust and the Lion of Judah.
Africa & Oceania
Beaver Five Cents (Elizabeth II)
The long-running Canadian five-cent coin under Queen Elizabeth II, continuing the classic beaver-on-a-rock design first introduced in 1922 across changing metal compositions.
Canadian
Austrian Thaler (Joseph II)
A silver thaler bearing the portrait of Holy Roman Emperor Joseph II, struck in the late 18th century and, like the more famous Maria Theresa thaler, later restruck for use in Levant and African trade.
European
Sassanian Drachm of Khusro II
A silver coin of the long-reigning Sasanian king Khusro II, among the most commonly found ancient Persian coins, showing his ornate crowned bust and a Zoroastrian fire altar.
Ancient
Julian II Bull Bronze
A large bronze maiorina of Julian the Apostate with a bull reverse, associated with his brief attempt to revive traditional pagan worship in Rome.
Ancient
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
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
Type II Silver Three-Cent Piece
A short-lived redesign of the silver three-cent piece with heavier silver content and an outlined star, known for weak strikes and generally low mintages.
United States
German Empire 20 Mark Gold (Wilhelm II)
The standard gold coin of the German Empire under Kaiser Wilhelm II, struck at multiple state mints and widely collected for its imperial portrait and eagle reverse.
European
Virginia Halfpenny
An official royal copper coinage struck in London specifically for the Colony of Virginia, showing King George III, whose distribution was disrupted by the approaching American Revolution.
United States
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
Lincoln Shield Cent
The current Lincoln cent reverse, introduced in 2010, depicts a Union shield replacing the earlier Lincoln Memorial design as the fourth reverse in the cent's history.
United States
Half Guinea
Smaller companion gold coin to the guinea, worth half its value, struck across the same reigns from Charles II through George III for mid-value transactions.
British
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
1983 Doubled Die Reverse Lincoln Cent
A notable doubled die variety showing bold doubling on the reverse lettering of the Lincoln Memorial cent, particularly visible on ONE CENT, from the first full year of the copper-plated zinc cent.
Errors & Varieties
Half Groat
A small hammered silver coin worth half the value of the groat, or two pence, struck across three centuries of English coinage from the reign of Edward III through the Stuart era.
British
Faustina the Younger Denarius
Silver denarius of Faustina the Younger, daughter of Antoninus Pius and wife of Marcus Aurelius, whose coinage emphasizes fertility and family themes.
Ancient
Brazilian 2000 Reis Silver
The largest common silver coin of the Brazilian Empire, bearing the portrait of Emperor Pedro II across several design types spanning his long reign.
Latin American
1917 Type 2 Standing Liberty Quarter
The revised Standing Liberty quarter design introduced later in 1917, adding chain mail over Liberty's chest and extra stars on the reverse, used through the end of the series in 1930.
United States
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
Guptas 'Horseman' Silver Coin
Silver coin of the Gupta Empire showing the king on horseback, struck after Gupta conquest of western India in imitation of earlier Western Kshatrapa silver coinage.
Ancient
Brazilian 20000 Reis Gold
The highest-value gold coin of the Empire of Brazil, struck intermittently under Emperor Pedro II to support the country's monetary reserves and international trade.
Latin American