Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Celtic Gold Stater of the Parisii
A gold stater struck by the Parisii, the Gallic tribe that gave its name to Paris, showing highly abstracted, stylized versions of Greek prototype designs.
Ancient
Russian Ruble (Imperial)
The principal silver coin of the Russian Empire, struck for over two centuries and bearing the portraits of successive tsars and the imperial double-headed eagle.
European
Kroisos (Croeseid) Gold Stater of Lydia
A pure gold stater struck under King Croesus of Lydia, part of history's first coinage issued in separate fixed-purity gold and silver denominations.
Ancient
Julian II Bull Bronze
A large bronze maiorina of Julian the Apostate with a bull reverse, associated with his brief attempt to revive traditional pagan worship in Rome.
Ancient
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
Theodosius I Solidus
A gold solidus of Theodosius I, the last emperor to rule a united Roman Empire and the ruler who made Nicene Christianity the state religion.
Ancient
Iranian Rial
Iran's official currency unit since 1932, replacing the earlier qiran/kran, struck across the Pahlavi monarchy and the Islamic Republic in changing metals and designs.
Asian
Valentinian I Solidus
A high-purity gold solidus of Valentinian I, founder of the Valentinianic dynasty, reflecting the stable gold standard established under Constantine.
Ancient
1864 L Indian Head Cent
A famous variety of the 1864 bronze Indian Head cent bearing a tiny L on Liberty's ribbon for designer James Longacre, one of the most recognized key varieties in the series.
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
1877 Indian Head Cent
The premier key date of the Indian Head cent series, struck in unusually low numbers during a mid-1870s economic downturn.
United States
Italian 100 Lire Gold
The largest gold denomination of the Kingdom of Italy's Latin Monetary Union coinage, struck under Vittorio Emanuele II and Umberto I in relatively limited numbers.
European
Italian Scudo (Papal States)
A large silver coin issued by the Papal States under successive popes, blending religious imagery with the temporal authority of the papacy.
European
Austrian Thaler (Joseph II)
A silver thaler bearing the portrait of Holy Roman Emperor Joseph II, struck in the late 18th century and, like the more famous Maria Theresa thaler, later restruck for use in Levant and African trade.
European
Isabella Quarter
The only U.S. commemorative quarter dollar, struck for the 1893 World's Columbian Exposition and featuring Queen Isabella I of Spain, sponsor of Columbus's voyage.
Commemorative
Indian Gold Mohur
The traditional high-value gold coin of the Indian subcontinent, struck for centuries by Mughal emperors, later by the British East India Company, British India, and various princely states.
Asian
British India Rupee (Silver)
Standardized silver rupee issued across British-ruled India from 1835 until independence, bearing the portrait of the reigning British monarch.
Asian
Type II Silver Three-Cent Piece
A short-lived redesign of the silver three-cent piece with heavier silver content and an outlined star, known for weak strikes and generally low mintages.
United States
Cook Islands Colored Silver Coins
A broad category of colorful commemorative silver coins issued under the sovereignty of the Cook Islands, covering religious, historical, and pop-culture themes aimed at collectors worldwide.
Africa & Oceania
1955 Doubled Die Lincoln Cent
A famous doubled die error showing strong, plainly visible doubling on the date and lettering of the obverse, among the most recognizable die varieties in U.S. coinage.
Errors & Varieties
Italian 10 Lire (Silver)
Kingdom of Italy silver 10 Lire coin, best known for the 1926–1930 'Biga' type showing a two-horse chariot, struck under Vittorio Emanuele III.
European
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
Spanish 100 Reales Gold (Isabel II)
A mid-19th-century Spanish gold coin struck under Queen Isabel II, part of Spain's pre-peseta reales-based monetary system.
European
Seleukos I Nikator Tetradrachm
Silver tetradrachm of Seleukos I Nikator, founder of the Seleucid Empire, often showing elephant and Nike-and-trophy imagery celebrating his eastern campaigns.
Ancient