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

Siamese Rama V Silver Baht
Western-style silver baht introduced under King Chulalongkorn (Rama V) of Siam, replacing centuries-old bullet money with modern flat coinage.
Asian
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
French Napoleon 20 Francs Gold
France's standard 19th-century gold coin, first struck under Napoleon I and continued under later rulers and the Republic, giving rise to the enduring nickname "Napoleon" for any 20-franc gold coin.
European
Spanish 5 Pesetas Silver (Duro)
Spain's classic large silver crown coin, popularly nicknamed the 'duro,' issued under several monarchs and a provisional republic in the late 19th century.
European
Monroe Doctrine Centennial Half Dollar
A 1923 U.S. commemorative half dollar marking the 100th anniversary of the Monroe Doctrine, featuring an allegorical map of the Americas.
Commemorative
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
Draped Bust Half Cent
An early U.S. copper coin depicting a draped bust of Liberty, struck for everyday small change in the first decade of the 19th century.
United States
Farthing
The smallest-value British bronze coin, worth a quarter of a penny, fondly remembered for its charming wren reverse design used from 1937 until its withdrawal.
British
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
Dutch Rijksdaalder
A historic Dutch silver trade coin dating to the Dutch Republic, later continued as a denomination of the Kingdom of the Netherlands.
European
George V Ten Cents
Canada's silver ten-cent coin struck throughout the long reign of King George V, spanning the First World War era through to the mid-1930s.
Canadian
Maine Centennial Half Dollar
A 1920 U.S. commemorative half dollar issued for the 100th anniversary of Maine's statehood, featuring the state's coat of arms.
Commemorative
George V Five Cents (silver)
The last era of Canadian silver five-cent coins, struck under King George V until nickel replaced silver in 1922, including the legendary rarity of the 1921 date.
Canadian
Presidential Dollar Series
A circulating dollar coin series honoring US presidents in order of service, featuring edge-lettered mottos and a shared Statue of Liberty reverse across every release.
United States
Victoria Ten Cents (dime)
Canada's early silver ten-cent coin issued under Queen Victoria, struck intermittently from the introduction of decimal currency in 1858 through the end of her reign in 1901.
Canadian
Edward VII Ten Cents
Canada's silver ten-cent coin struck during the brief reign of King Edward VII, bridging the Victorian and Georgian eras of Canadian coinage design.
Canadian
Roman Denarius
The workhorse silver coin of ancient Rome for over four centuries, used across the Republic and Empire and one of the most widely collected categories of ancient coinage today.
Ancient
Chinese Fengtien Province Dragon Dollar
Silver dragon dollar struck by the provincial mint of Fengtien in Manchuria during the late Qing dynasty, notable for several rare dated varieties.
Asian
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
Guatemala 8 Reales
A silver piece of eight struck at the Guatemala City mint, first under Spanish colonial rule and later continued through the Central American Federation and independent Guatemala.
Latin American
Bolivia 8 Reales (Potosi Mint)
A major Spanish colonial and early Bolivian silver dollar struck at the legendary Potosí mint, fed by the immense silver deposits of the Cerro Rico mountain.
Latin American
Panama-Pacific Quarter Eagle Commemorative
A 1915 commemorative gold coin honoring the Panama-Pacific Exposition, showing Liberty riding a hippocampus (sea horse), symbolizing the Panama Canal's linking of the Atlantic and Pacific Oceans.
Commemorative
Fugio Cent
The first coin authorized by the United States government, featuring a sundial, the word 'Fugio,' and the motto 'Mind Your Business,' often linked to Benjamin Franklin.
United States
Gold Half Sovereign
Smaller companion to the gold sovereign, struck since 1817 at half the weight and value, sharing the same monarch portraits and often the same St George reverse design.
British