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

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
English Crown
A large English silver coin worth five shillings, first struck under Henry VIII, that became one of Britain's most artistically celebrated denominations before decimalization.
British
Chinese Szechuan Rupee (Tibet-related)
Silver rupee struck by China's Szechuan provincial mint to compete with British Indian rupees circulating in Tibet, blending a Chinese ruler's portrait with an Indian-style coin format.
Asian
Trajan Decius Antoninianus
Radiate coin of Trajan Decius, remembered for his empire-wide persecution of Christians and his death in battle against the Goths, and for a famous series honoring deified past emperors.
Ancient
Nero Denarius
The silver coin of the notorious emperor Nero, whose AD 64 currency reform slightly reduced the denarius's silver content and weight, a step in the long history of Roman debasement.
Ancient
Pergamon Cistophoric Tetradrachm
A reduced-weight Hellenistic silver coin introduced by the Attalid kings of Pergamon, named for the sacred cista mystica chest depicted on the obverse and later adopted throughout Roman Asia.
Ancient
American Gold Eagle
The official U.S. gold bullion coin series since 1986, pairing Augustus Saint-Gaudens' famous Liberty design with a family-of-eagles reverse, issued in four sizes.
Bullion
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
Indian Head Gold Quarter Eagle ($2.50)
A small early 20th-century $2.50 gold coin notable for its incuse design and Native American war bonnet portrait, designed by sculptor Bela Lyon Pratt.
United States
Indian Head Cent
A long-running 19th-century one-cent coin depicting Liberty in a Native American-style feathered headdress, popular with collectors for its accessible half-century run.
United States
Testoon
The earliest English coin to carry a realistic royal portrait, introduced under Henry VII around 1487 as the forerunner of the shilling, later continued and debased under Henry VIII.
British
Quarter Guinea
A rarely issued small gold coin worth one-quarter of a guinea, struck only in 1718 under George I and again briefly in 1762 under George III.
British
Three-Dollar Gold Piece
An unusual and short-lived gold denomination created partly to simplify buying sheets of three-cent postage stamps, now a favorite oddity among gold coin collectors.
United States
Australian Threepence (pre-decimal)
Small pre-decimal Australian silver coin worth three pence, popularly recognized for its bundled wheat-ear reverse design used across most of the 20th century.
Africa & Oceania
British India Gold Mohur (East India Company)
High-value gold coin issued by the East India Company and later the British Crown in India, used for major transactions and prized today for its gold content and classic portraiture.
Asian
Reichsthaler
The standard large silver coin of the Holy Roman Empire and its constituent German states from the 16th century onward, whose name is the direct linguistic ancestor of the word 'dollar.'
European
Threepence
A small British coin worth three pence, issued first as a tiny silver piece and later as the distinctive 12-sided brass 'threepenny bit' beloved for its unusual shape.
British
Byzantine Gold Tremissis
A small gold fractional coin worth one-third of a solidus, widely struck across the early Byzantine world and imitated by Germanic successor kingdoms in the former Western Roman Empire.
Ancient
Chinese Wu Zhu Cash
One of history's longest-running coin types, cast continuously for over seven centuries across multiple Chinese dynasties after its introduction under Emperor Wu of Han.
Ancient
Shield Nickel
The first copper-nickel five-cent coin, the Shield Nickel features a national shield on the obverse and was issued from 1866 to 1883, including rare rays and proof-only dates.
United States
George V Five Cents (silver)
The last era of Canadian silver five-cent coins, struck under King George V until nickel replaced silver in 1922, including the legendary rarity of the 1921 date.
Canadian
Eukratides I Gold Stater (Baktria)
A gold stater of Eukratides I, the powerful Greco-Bactrian king best known for issuing the largest gold coin surviving from antiquity, depicting the divine twins Dioskouroi on horseback.
Ancient
1885 Trade Dollar
One of the rarest official United States coins, a proof-only issue struck years after the Trade dollar series had officially ended, with only a handful of examples known.
United States
1999 Susan B. Anthony Dollar
A one-year revival of the Susan B. Anthony dollar, struck in 1999 to meet demand for dollar coins in vending and transit use before the Sacagawea dollar's launch the following year.
United States