Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Solidus of Constantine I the Great
Constantine the Great's gold solidus, a high-purity coin struck from about AD 309 that became the standard of late Roman and Byzantine gold.
Ancient
Indian Head Half Eagle
U.S. $5 gold half eagle struck 1908–1929, with an unusual sunken (incuse) design: a headdressed Native American obverse and a standing eagle reverse.
Half Eagle
Ghaznavid Dinar
Gold dinar of the Ghaznavid dynasty (c. 10th–11th century), an epigraphic Islamic coin struck at Ghazna and allied mints in Afghanistan.
Medieval Islamic
Papua New Guinea 5 Kina
Papua New Guinea's 1975 five-kina coin: Queen Elizabeth II in profile on the obverse, a bird-of-paradise with the K5 denomination on the reverse.
Circulation
Venetian Ducat
A medieval gold ducat of the Republic of Venice, showing Saint Mark presenting a banner to the kneeling Doge on one side and Christ on the other.
Medieval
Panama-Pacific Exposition Quarter Eagle
A 1915 gold $2.50 commemorative for San Francisco's Panama-Pacific Exposition, showing Columbia astride a hippocamp and an eagle on the reverse.
Classic Commemorative
British Decimal Half Penny
The smallest UK decimal coin, a tiny bronze half-penny introduced with decimalisation in 1971, bearing a crown reverse and the Machin portrait of Elizabeth II.
British Isles
Isle of Man Noble
The Isle of Man Noble: the world's first platinum bullion coin, pairing a crowned Queen Elizabeth II with a Viking longship reverse.
Bullion
40 Francs Napoleon
A large early French gold 40 francs of Napoleon's Consulate, with the bare-headed BONAPARTE PREMIER CONSUL bust and a laurel-framed 40 FRANCS reverse dated 1804.
Bullion
Solidus of Valens
A late Roman gold solidus struck for Valens, eastern emperor from AD 364 to 378, showing his diademed profile facing right.
Ancient
2 Escudos
A gold 2 Escudos of Habsburg Spain, the classic 'doubloon,' struck with a crowned coat of arms of castles and lions on both faces.
Early Modern
Edward IV Quarter Ryal
Small English medieval gold coin of Edward IV, bearing the crowned royal arms and an ornate radiate cross with a rose-on-sun at its center.
Medieval Coins
Aureus of Augustus
Roman imperial gold coin bearing the bare head of Augustus, first emperor of Rome, struck during his reign from 27 BC to 14 AD.
Ancient Coins
Indian Head Quarter Eagle
U.S. $2.50 gold coin of 1908–1929 with a sunken (incuse) design: an Indian in a feathered war bonnet on the obverse and a standing eagle reverse.
Quarter Eagle
Australian Sovereign
22-carat gold sovereign struck at Australian branch mints; the 1855 Sydney Mint issue was the country's first gold coin.
Australian
Laurel
A hammered English gold coin of James I worth twenty shillings, named for the king's laurel-wreathed profile, struck 1619-1625.
Hammered
Liberty Head Quarter Eagle
U.S. $2.50 gold coin struck 1840–1907, with a coronet-crowned Liberty head obverse and a shield-breasted eagle reverse marked "2½ D."
Quarter Eagle
Solidus of Galla Placidia
A late Roman gold solidus struck in the name of Galla Placidia, empress and regent, showing her diademed bust and a Victory holding a long cross.
Ancient
Charles I Unite
A large hammered gold coin of Charles I worth twenty shillings, showing his crowned profile and a crowned quartered shield of lions and fleur-de-lis.
Hammered
25 Gulden
The gold 25 Gulden of the Free City of Danzig, dated 1923, pairing the lion-supported Danzig arms with an armed female figure holding a trident.
Modern
Australian Kookaburra
Perth Mint silver bullion coin with a changing kookaburra reverse and a Queen Elizabeth II obverse; this 2 Dollars piece is a 2 oz .999 fine silver coin dated 2012.
Bullion
Belize 1 Cent
A small bronze one-cent coin from the Caribbean nation now called Belize, carrying a portrait of Queen Elizabeth II and dated 1954.
Circulation
Liberty Head Double Eagle
U.S. $20 gold coin struck 1850–1907, showing a coroneted Liberty head left and a heraldic eagle with shield; the 1869 is a with-motto Type 2.
Double Eagle
Sovereign of William IV
A 22-carat gold sovereign of William IV, with the king's bare head facing right and a crowned royal shield of arms on the reverse.
Milled