Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
Syracuse Arethusa Tetradrachm
A classic silver tetradrachm from ancient Syracuse depicting the nymph Arethusa surrounded by dolphins, one of the most admired coin types of the Greek world.
Ancient
New Zealand Penny (KGVI)
New Zealand bronze penny struck under King George VI, notable for its reverse featuring the native tuatara reptile, part of the country's distinctive 1933-launched coin series.
Africa & Oceania
Canadian Colored Maple Leaf
A colorized variant of Canada's iconic Maple Leaf bullion coin, applying vivid printed designs over the standard maple leaf or themed reverse to create eye-catching collector editions.
Canadian
French 5 Francs "Napoleon"
A large silver crown-sized coin bearing the portrait of Napoleon Bonaparte, first as First Consul and later as Emperor, marking France's decimal franc system's early flagship silver denomination.
European
Ecuador Sucre Silver
Ecuador's historic silver one-sucre coin, named after independence hero Antonio Jose de Sucre, circulated for decades before Ecuador's currency was eventually replaced by the US dollar.
Latin American
Rama IV Siamese Baht (first machine-struck)
Landmark Siamese silver coin introduced under King Mongkut (Rama IV), marking the country's shift from traditional bullet-shaped money to modern, flat, machine-struck coinage.
Asian
Dutch Silver Ducat
A historic Dutch trade silver coin first struck in 1659, depicting a standing knight, that has been minted continuously for centuries and remains a popular silver bullion and collector piece today.
European
George V Twenty-Five Cents (silver)
Canada's silver twenty-five-cent coin struck under King George V, a series notable for its famous 1921 key date and a rare 1936 emergency dot variety.
Canadian
Liberty Head Half Eagle ($5)
A widely produced 19th-century gold five-dollar coin bearing Christian Gobrecht's Coronet Head design, struck across nearly every major American branch mint of the era.
United States
Alexander the Great Tetradrachm
The widely circulated silver coin of Alexander the Great, showing Herakles wearing a lion skin on the obverse and an enthroned Zeus on the reverse, struck across his empire and for generations after his death.
Ancient
Persian Sassanid Silver Drachm
The standard silver coin of the Sasanian Persian Empire, showing an elaborately crowned royal bust and a Zoroastrian fire altar with attendants, struck for over four centuries.
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
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
Seljuk Copper Fals
Base-metal copper coin of everyday commerce in the Seljuk Turkish world, notable for unusually rich figural imagery such as lions, suns, and double-headed eagles.
Asian
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
Bluenose Ten Cents (dime)
Canada's iconic ten-cent coin featuring the famous racing and fishing schooner Bluenose, a design introduced in 1937 that remains in use on the modern dime today.
Canadian
Valerian Antoninianus
Radiate coin of Valerian, the only Roman emperor ever captured alive by a foreign enemy, taken prisoner by the Sassanid king Shapur I in 260 AD.
Ancient
Roman Republic Denarius
The workhorse silver coin of the Roman Republic, introduced during the Second Punic War and struck by a long line of moneyers with ever-changing, often political, designs.
Ancient
Nickel Three-Cent Piece
A post-Civil War small coin struck in copper-nickel to replace the fragile silver three-cent piece and small-denomination paper currency then in circulation.
United States
Ottoman Silver Akce
A tiny silver coin that served as the basic everyday currency unit of the Ottoman Empire for centuries, gradually shrinking in size and silver content as inflation took hold.
World
Persian Kran (Qajar silver)
The standard silver coin of Qajar Persia, worth one-tenth of a gold toman, widely struck under Naser al-Din Shah and later rulers and commonly seen with the lion-and-sun emblem.
Asian
Spanish Colonial 8 Reales Ferdinand VII
A large silver 8 reales coin struck across Spain's American colonies bearing the portrait of King Ferdinand VII, widely circulated internationally and historically linked to the origin of the US dollar sign.
World
Massachusetts Oak Tree Shilling
The second design in Massachusetts Bay's colonial tree-coin series, showing an oak tree, more available than the earlier Willow Tree type but still a scarce early American colonial rarity.
United States