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

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
1916-D Mercury Dime
The key date of the Mercury Dime series, the 1916-D was struck at Denver in a very low quantity, making genuine examples scarce and highly sought after by collectors.
United States
Saint-Gaudens Double Eagle
Widely regarded as one of the most beautiful U.S. coins ever produced, designed by sculptor Augustus Saint-Gaudens at the urging of President Theodore Roosevelt.
United States
1891 Seated Liberty Quarter
The final year of the long-running Seated Liberty quarter design before it was replaced by the Barber quarter in 1892, popular as an affordable closing-date type coin.
United States
1853 Seated Liberty Quarter (Arrows and Rays)
A popular one-year Seated Liberty type marked by arrows at the date and rays around the eagle, signaling a reduction in the coin's silver weight mandated by the Coinage Act of 1853.
United States
Netherlands 5 Gulden Gold
A gold 5 gulden coin struck intermittently by the Kingdom of the Netherlands, first under King William I in the 1820s and later as a rare 1912 commemorative under Queen Wilhelmina.
European
Messana Hare and Biga Tetradrachm
Silver tetradrachm of Messana in Sicily, famous for its obverse mule-cart (biga) driven by a charioteer crowned by Nike, paired with a running hare on the reverse.
Ancient
1913 Barber Half Dollar
A recognized key date of the Barber half dollar series, with a Philadelphia mintage far lower than most other years, making it prized by series collectors.
United States
Indian Head Eagle ($10)
A striking early 20th-century gold eagle designed by Augustus Saint-Gaudens as part of President Theodore Roosevelt's push to beautify American coinage.
United States
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
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
Western Satrap Silver Drachm
A silver drachm of the Western Satraps, Saka rulers of western India, easily identified by a crude Greek-style portrait obverse and a three-arched hill reverse.
Ancient
Elis Olympia Zeus Stater
A silver stater struck by the city-state of Elis, guardian of the sanctuary of Olympia, showing Zeus on the obverse and his sacred eagle on the reverse.
Ancient
Chinese Knife Money (Ming Dao)
An ancient Chinese bronze currency cast in the shape of a knife, bearing a character often read as "Ming" on its blade, used mainly by the northern state of Yan before round coinage prevailed.
Asian
Lysimachos Tetradrachm (Alexander/Athena)
A silver tetradrachm struck by King Lysimachos, one of Alexander the Great's successors, showing the deified Alexander with a ram's horn and a seated Athena on the reverse.
Ancient
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
Ancient British Gold Stater (Cunobelin)
A gold stater of Cunobelin, the powerful pre-Roman British king later immortalized by Shakespeare as Cymbeline, notable for its ear-of-corn and horse reverse types.
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
Aegina Sea Turtle Stater
One of the earliest widely circulated Greek silver coins, struck by the island city-state of Aegina, featuring a sea turtle and later a land tortoise, and nicknamed simply 'turtles' by ancient traders.
Ancient
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
1936 Doubled Die Lincoln Cent
A doubled die obverse variety of the 1936 wheat cent showing visible doubling in the date and lettering, recognized in two distinct doubling strengths by collectors.
Errors & Varieties
1794 Flowing Hair Half Dime
One of the very first silver coins struck for circulation by the United States Mint, bearing the Flowing Hair Liberty design and a small eagle reverse.
United States
German States Thaler
A large silver coin struck by the many independent states of the German-speaking world for over three centuries, and the direct linguistic ancestor of the word 'dollar.'
European
Austrian Corpus Christi Thaler
A devotional silver thaler struck by Austrian ecclesiastical authorities to mark the feast of Corpus Christi, blending religious procession imagery with the standard large-thaler format of the era.
European