Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1842-O Small Date Seated Liberty Quarter
A famous condition and date rarity of the Seated Liberty series, struck at New Orleans from leftover small-date dies originally prepared for Philadelphia proof coinage.
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
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
2005 Kansas State Quarter In God We Rust
A popularly nicknamed error on the 2005 Kansas state quarter in which a filled or damaged die caused the T in TRUST to appear missing, making the motto read 'IN GOD WE RUST.'
Errors & Varieties
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
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
Vietnamese Silver Bar (Lang / Thoi Bac)
Traditional Vietnamese ingot currency from the Nguyen Dynasty, cast or hammered silver bars denominated in lang (tael) rather than struck as round coins.
Asian
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
1999 New Jersey State Quarter
One of the original five 1999 State Quarters, honoring New Jersey with a rendition of Washington Crossing the Delaware, launching the wildly popular 50 State Quarters Program.
United States
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
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
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
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
1900-O/CC Morgan Dollar
A well-known Morgan dollar overmintmark variety showing an O mintmark punched over a CC, created when a leftover Carson City die was repurposed and repunched for use at New Orleans.
Errors & Varieties
German Empire 5 Mark
A large silver crown of Imperial Germany bearing the portrait or arms of individual constituent states, unified under a common eagle reverse after German unification in 1871.
European
1938-D/S Buffalo Nickel Overmintmark
The famous final-year Buffalo nickel variety showing a D mintmark punched over a leftover S, created when Denver reused a die originally prepared for San Francisco.
Errors & Varieties
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
1861 Confederate Half Dollar
An extraordinarily rare Civil War-era coin struck briefly at the Confederate-controlled New Orleans mint, using a genuine CSA reverse die paired with an existing US half dollar obverse.
United States
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
Continental Dollar
A large 1776-dated piece bearing a sundial, 'MIND YOUR BUSINESS,' and a thirteen-link chain, long debated as either an intended Continental Congress dollar or a contemporary satirical piece.
United States