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

Australian 50 Cent (round 1966 silver)
Australia's original round 50-cent coin from the 1966 decimal changeover, struck in 80% silver and withdrawn the same year once its bullion value exceeded face value.
Africa & Oceania
Euro €2 Commemorative Coins
Since 2004, Eurozone countries have issued special-design €2 coins commemorating anniversaries and events while keeping the coin's normal size, weight, and legal-tender status.
Commemorative
Zanzibar Riyal
Silver riyal issued by the Sultanate of Zanzibar under Sultan Barghash bin Said, designed to circulate alongside the widely trusted Maria Theresa thaler in East African trade.
Africa & Oceania
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
United States Trade Dollar
A heavier silver dollar issued specifically for trade with China and East Asia, the Trade Dollar circulated internationally before being demonetized and later collected as a design classic.
United States
1878 7/8 Tail Feathers Morgan Dollar
A famous first-year Morgan dollar variety showing an eagle with 7 tail feathers struck over an earlier 8-feather design, resulting from a mid-year design revision by chief engraver George T. Morgan.
Errors & Varieties
Rwandan Silver African Wildlife
A modern bullion coin series issued under Rwandan sovereignty depicting various African animals, minted in Germany and produced in different subseries by animal theme.
Africa & Oceania
Chinese Auto Dollar (Kweichow, 1928)
Famous Chinese provincial silver dollar depicting an automobile, struck in Kweichow province in 1928 and celebrated by collectors as one of the most distinctive Chinese coin designs.
Asian
1939 Royal Visit Silver Dollar (Parliament)
A commemorative Canadian silver dollar marking the 1939 royal tour of King George VI and Queen Elizabeth, with the Parliament Buildings depicted on the reverse.
Canadian
Byzantine Follis
The large bronze workhorse coin of everyday Byzantine commerce, reformed by Emperor Anastasius I in 498 AD with a prominent Greek numeral denoting its value of 40 nummi.
Ancient
Celtic Gold Stater
Iron Age gold coins struck by Celtic tribes across Gaul and Britain, evolving from close imitations of Macedonian staters into strikingly abstract, stylized designs.
Ancient
Chinese Tang Dynasty Cash
The influential bronze cash coin introduced in the Tang Dynasty, inscribed "Kai Yuan Tong Bao," that established the round-with-square-hole design copied for over a thousand years.
Asian
1883 No Cents Liberty Head Nickel
The first-year Liberty Head Nickel design that omitted the word CENTS from the reverse, later infamous as the 'Racketeer Nickel' after being gold-plated and passed off as a five-dollar coin.
United States
1942/1-D Mercury Dime Overdate
The Denver counterpart to the famous 1942/1 overdate, this Mercury Dime shows a doubled date from reused 1941 die-making equipment and is scarcer than the Philadelphia version.
Errors & Varieties
Seated Liberty Dime
Struck for over five decades, the Seated Liberty Dime features Christian Gobrecht's seated figure of Liberty and includes many collectible date, mint, and arrows/rays varieties.
United States
Walking Liberty Half Dollar
Widely admired U.S. half dollar designed by Adolph A. Weinman, depicting Liberty striding toward the sun and a bold eagle on the reverse; its obverse design was later revived for the Silver Eagle.
United States
French Ecu (Louis d'Argent)
France's principal large silver coin of the pre-revolutionary era, bearing the reigning king's portrait, used as the standard silver crown-sized coin for over a century before decimalization.
European
Spanish Gold Escudo (Doubloon)
The gold denomination of the Spanish Empire, whose larger multiples became famous as "doubloons," struck both in Spain and across its American colonial mints for centuries.
European
Spade Guinea
A George III gold guinea nicknamed for its spade-shaped shield reverse, one of the last widely circulated guinea types before the denomination was phased out in the early 1800s.
British
Groat (Fourpence)
A historic English silver coin worth four pence, first struck under Edward I in 1279 and periodically revived, later surviving mainly as a Maundy Money denomination.
British
Daniel Boone Bicentennial Half Dollar
A commemorative half dollar honoring frontiersman Daniel Boone's 200th birthday, depicting Boone alongside Native American leader Chief Black Fish on the reverse.
Commemorative
Metapontum Barley Ear Stater
A silver stater from the Greek colony of Metapontum in southern Italy, celebrated for its elegant ear-of-barley design symbolizing the city's agricultural wealth.
Ancient
1916 Walking Liberty Half Dollar
First-year strike of Adolph Weinman's celebrated Walking Liberty design, prized by collectors for its beauty and for the obverse mintmark unique to 1916 and early 1917.
United States
Indian Head Quarter Eagle ($2.50)
A small gold coin featuring Bela Lyon Pratt's distinctive incuse Native American design, one of only two U.S. denominations ever struck with recessed devices.
United States