Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
20 Francs (Leopold II)
Belgium's gold 20 francs under King Leopold II, a small Latin Monetary Union coin with the bearded king's profile and the crowned national arms.
Modern25 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.
ModernTurban Head Quarter Eagle
First U.S. $2.50 gold coin (1796), designed by Robert Scot; Liberty in a soft cap facing right with a heraldic eagle reverse. Extremely rare.
United StatesSolidus of Valens
A late Roman gold solidus struck for Valens, eastern emperor from AD 364 to 378, showing his diademed profile facing right.
AncientSolidus of Valentinian I
The gold solidus of Valentinian I (AD 364-375), a pure-gold coin bearing his pearl-diademed profile that anchored the late Roman monetary system.
Ancient2 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 ModernPanama-Pacific Exposition $50 (Octagonal)
An eight-sided $50 gold commemorative struck for San Francisco's 1915 world's fair, showing Minerva and her owl — the largest U.S. coin of its era.
Classic CommemorativeCapped Head Half Eagle
A U.S. five-dollar gold coin struck 1813–1834, showing a left-facing capped Liberty with stars and a heraldic eagle bearing a shield and E PLURIBUS UNUM.
United StatesEdward IV Half Angel
Medieval English gold coin of King Edward IV, half the value of the angel, showing Saint Michael slaying a dragon with a spear and shield.
Medieval Coins5 Roubles (Alexander III)
An Imperial Russian gold 5 Roubles of Alexander III, showing the tsar's bearded profile and the crowned double-headed eagle, struck in the late 1880s.
ModernSolidus 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.
AncientEdward IV Angel
Medieval English gold coin showing Saint Michael the Archangel slaying a dragon-demon, with a heraldic cross-and-shield reverse.
Medieval CoinsSolidus of Arcadius
A late Roman gold solidus struck for Arcadius, first emperor of the East after AD 395, showing his diademed profile facing right.
AncientGhaznavid Dinar
Gold dinar of the Ghaznavid dynasty (c. 10th–11th century), an epigraphic Islamic coin struck at Ghazna and allied mints in Afghanistan.
Medieval IslamicSolidus 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.
AncientSovereign 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.
MilledUnite of James I
A hammered gold pound coin of James I, named to celebrate the union of England and Scotland under one crown.
HammeredMacao 100 Patacas Return to China Commemorative
A 1999 Macao 100 patacas commemorative marking the return to China: a Portuguese ship with a gold center on one side, the Macao coat of arms on the other.
CommemorativeSolidus of Valentinian II
A late Roman gold solidus struck for Valentinian II, showing his diademed profile with the obverse legend D N VALENTINIANVS, from the 380s AD.
AncientCorieltauvi Stater
A gold stater of the Corieltauvi tribe of Iron Age Britain, with an abstracted head on the obverse and a stylized horse and symbols on the reverse.
AncientAureus of Constantine I the Great
A Roman gold aureus struck for Constantine I the Great, showing his laureate portrait, from the era of his rise to sole power around AD 313.
AncientImperial Chervonets
A small imperial Russian gold chervonets bearing the right-facing bust of Peter III with regalia and the crowned double-headed eagle, dated 1762.
Early ModernAureus 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 CoinsEdward 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