Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1875-CC Twenty-Cent Piece
A Carson City strike of the short-lived US twenty-cent piece, valued both for its unusual denomination and its Wild West mint origin.
United States
1895-O Barber Dime
The key date of the Barber dime series, struck in unusually small numbers at the New Orleans Mint and scarce in every grade of preservation.
United States
Japanese Mon (Kan'ei Tsuho cash coin)
Long-running cast copper or iron cash coin of Edo-period Japan, inscribed 'Kan'ei Tsuho' and produced continuously for well over two centuries.
Asian
Ottoman Kurus (Piastre)
The standard Ottoman monetary unit for centuries, struck in silver or base metal bearing the sultan's tughra, later becoming a subunit of the Ottoman lira after 1844.
World
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
Chervonets (Soviet Gold)
A Soviet gold coin depicting a peasant sower, originally struck in 1923 to stabilize the new Soviet currency and later restruck for decades as a bullion and trade coin.
European
Chola Dynasty Gold Kahavanu
A gold coin of the powerful medieval South Indian Chola dynasty, typically bearing the dynastic tiger, fish, and bow emblem alongside a standing or seated royal figure.
Asian
Spanish Colonial Cob 8 Reales (Macuquina)
A crudely hand-struck Spanish colonial silver coin, cut from irregular silver bars and stamped with a cross and shield, famed worldwide as the original 'piece of eight'.
Latin American
1896-S Barber Quarter
One of the three classic key dates of the Barber quarter series, valued for its low original mintage and the difficulty of finding problem-free survivors.
United States
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
1873 Doubled Die Two-Cent Piece
A doubled die variety from the final year of the short-lived two-cent piece, showing noticeable doubling in the date or lettering caused by a die hubbing misalignment.
Errors & Varieties
Japanese Oban
A large, oval, hand-hammered gold plate coin of feudal Japan, used mainly as a gift, reward, or ceremonial item rather than everyday currency, among the largest gold coins ever issued.
Asian
Belgian 5 Francs
A large silver crown of the newly independent Kingdom of Belgium, bearing the portrait of Leopold I or Leopold II and the national coat of arms, a flagship coin of the young nation's currency.
European
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
Vietnamese Tu Duc Thong Bao (cash coin)
A cast bronze or zinc cash coin issued under Emperor Tự Đức of Vietnam's Nguyễn Dynasty, round with a square center hole in the traditional East Asian style.
Asian
1913-S Barber Quarter
A famous low-mintage key date near the end of the Barber quarter series, prized by collectors despite its worn survivors due to its very small original production.
United States
Vienna Philharmonic
Austria's celebrated bullion coin family built around a shared musical design honoring the Vienna Philharmonic Orchestra, issued in gold, silver, and platinum.
Bullion
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
Ottoman 20 Kurus
Ottoman silver coin denominated in kuruş, bearing the sultan's ornate calligraphic tughra rather than a portrait, in keeping with Islamic artistic tradition.
World
Draped Bust Half Dime
Struck in small numbers from 1796 to 1805, the Draped Bust Half Dime is an early U.S. silver rarity featuring Robert Scot's Draped Bust Liberty portrait and small or heraldic eagle reverses.
United States
Lampsakos Electrum Stater
An electrum stater from Lampsakos on the Hellespont, another important early precious-metal trade coinage of Asia Minor, often featuring a winged horse or janiform head.
Ancient
GSA Morgan Dollar
Morgan silver dollars, mostly from Carson City, sold by the U.S. General Services Administration in the 1970s in distinctive hard plastic holders with a black or brown outer box.
United States
Byzantine Gold Semissis
A scarce half-value gold fraction of the Byzantine solidus, struck in smaller numbers than the tremissis and often associated with ceremonial or donative purposes.
Ancient
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