Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Transylvanian Ducat of Catherine of Brandenburg
Gold ducat dated 1630 of Catherine of Brandenburg, ruling Princess of Transylvania, with her portrait and a double-headed eagle and shield reverse.
Medieval
Aureus of A. Manlius Vulso
A rare late-Republican Roman gold aureus of the moneyer A. Manlius Vulso, c. 80 BC, showing a capped head and a horseman carrying a military ensign.
Ancient
10 Roubles (Elizabeth)
An Imperial Russian gold 10 Roubles of Empress Elizabeth, showing her crowned portrait and the double-headed eagle with orb and scepter, dated 1756.
Early Modern
Vietnam 2 Tien - Bao Dai
A gold 2 Tien of Vietnam's last emperor, Bao Dai (1926-1945), its face bearing a radiant sun motif and Chinese-Vietnamese court inscriptions.
Southeast Asia
San Francisco-Oakland Bay Bridge Half Dollar
A 1936 U.S. silver commemorative half dollar celebrating the opening of the San Francisco-Oakland Bay Bridge, with a bridge span and a California grizzly bear.
Classic Commemorative
Irish Pistole
A rare hammered gold emergency coin of 1640s Ireland, marked with its weight in pennyweights and grains rather than a portrait, and rated as a pistole.
Hammered
Sesquicentennial of American Independence Quarter Eagle
A 1926 U.S. commemorative $2.50 gold coin marking 150 years of American independence, with Liberty holding a torch and scroll and Independence Hall on the reverse.
Classic Commemorative
Spanish Doubloon (8 Escudos)
Large Spanish gold coin worth eight escudos, showing the right-facing bust of King Charles IV and a crowned Spanish shield with a cross.
World Coins
Solidus of Constantius II
Late Roman gold solidus of Emperor Constantius II (337-361 AD), showing his diademed bust facing right paired with a seated-figure reverse.
Ancient Coins
100 Lei
A scarce Kingdom of Romania gold 100 Lei of 1939, showing King Carol II in profile on the obverse and the crowned Romanian coat of arms on the reverse.
Modern
Flowing Hair Stella
An 1879 U.S. $4 gold pattern coin with a flowing-hair Liberty obverse and a large-star "ONE STELLA" reverse; famous rarity, never circulated.
Stella
Keicho Koban
A thin oval Japanese gold coin worth one ryo, its surface covered in fine parallel striations with stamped cartouches and Goto mint marks.
Historic
Classic Head Quarter Eagle
U.S. $2.50 gold coin struck 1834–1839, with a band-bound Liberty head obverse and a shield-breasted eagle reverse marked "2½ D."
Quarter Eagle
Gallic Imitation Stater
A gold stater struck by the tribes of Gaul, whose stylized head and single horse descend from Greek Macedonian prototypes reworked into abstract Celtic art.
Ancient
20 Kronor
Gold 20 kronor of Sweden showing the crowned national arms with three coronets, reverse marked 20 KR and dated 1925.
World
Gouden Dukaat
A Dutch gold trade ducat of the United Provinces, showing an armored standing knight and an inscribed heraldic tablet; this example is dated 1724.
Early Modern
Aureus of Faustina II
Roman imperial gold coin with the draped bust of Faustina II, daughter of Antoninus Pius and wife of Marcus Aurelius, struck around 147-150 AD.
Ancient Coins
Edward III Quarter Noble
Small medieval English gold coin of Edward III, showing a crowned shield of arms on the obverse and an ornate floral cross design on the reverse.
Medieval Coins
Capped Bust Half Eagle
Early U.S. five-dollar gold coin with a left-facing capped Liberty and a shield-breasted eagle marked "5 D."; the 1822 shown is a legendary rarity.
United States
Turban Head Half Eagle
First U.S. gold $5 coin, 1795: Liberty in a soft cap facing right, with a heraldic shield-breasted eagle reverse struck in 22-karat gold.
Half Eagle
Half Sovereign of George III
British 22-carat gold half sovereign of George III, introduced in 1817 with a laureate bust and a crowned shield of arms; face value ten shillings.
Milled
Brutus Aureus
The gold aureus of Marcus Junius Brutus, struck 42 BC, whose reverse celebrates Caesar's assassination with EID MAR, a cap of liberty, and two daggers.
Ancient
Liberty Head Eagle
A United States $10 gold coin struck 1838-1907, with Christian Gobrecht's coronet-crowned Liberty head and a shielded eagle. The example shown is dated 1839.
Eagle
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