Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Sestertius of Caligula
Large Roman imperial bronze sestertius bearing the head of Gaius, better known as Caligula, struck during his short reign from 37 to 41 AD.
Ancient Coins
Old Spanish Trail Half Dollar
A 1935 U.S. silver commemorative half dollar marking 400 years of the Old Spanish Trail, with a longhorn cow's head punning on explorer Cabeza de Vaca.
Classic Commemorative
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
Denarius of Otho
Silver denarius of the emperor Otho, struck at Rome during his brief AD 69 reign, showing his bare head right with the legend IMP OTHO CAESAR.
Ancient
British Half Sovereign
A small 22-carat British gold coin worth ten shillings; the pictured example shows Queen Victoria's left-facing Young Head portrait, dated 1863.
British
Two Guineas of George II
A large milled gold two-guinea piece of George II, with his left-facing laureate head and a crowned garnished shield of the royal arms; the pictured coin is dated 1738.
Milled
Austrian Award Medal
A silver Austrian award medal with a crowned double-headed eagle bearing a coat of arms on the obverse and a decorative heraldic shield on the reverse.
Medal
1 Kopeck
Small copper 1 Kopeck of Imperial Russia dated 1908, with the value in a wreath on one side and the crowned double-headed eagle on the other.
Modern
Syracuse Bronze Coin of Hiero II
Ancient Greek bronze of Syracuse struck under King Hieron II, c. 275-215 BC, bearing a Hellenistic profile head; a very common Sicilian city bronze.
Ancient
Bavaria 6 Kreuzer
A small silver 6 Kreuzer of the Electorate of Bavaria, showing the profile of Charles VII and a crowned double-headed imperial eagle marking the value.
German States
Egyptian 20 Piastres Commemorative
A cupro-nickel Egyptian 20 piastres commemorative dated 1980, with an ornate Arabic calligraphic obverse and a heraldic double-headed eagle reverse.
World
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
Austrian Gold Ducat
A high-purity Austrian gold ducat of the Habsburg monarchy, showing a crowned ruler in military dress on the obverse and the double-headed imperial eagle on the reverse.
Bullion/gold
Kopek (Peter I)
An early copper kopek of Peter the Great, showing a profile of Peter I and Cyrillic legends on one side and the Russian double-headed eagle on the other.
Early Modern
Poltina (½ Rouble)
Silver half-rouble of Imperial Russia dated 1857, marked ПОЛТИНА on one side and bearing the crowned double-headed eagle of the Romanov empire.
Modern
Imperial 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 Modern
5 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.
Modern
5 Kopecks (Catherine II)
Large copper 5 Kopecks of Catherine the Great, dated 1790 with the EM mint mark, showing a crowned monogram and the imperial double-headed eagle.
Early Modern
Austrian 4-fold Ducat
A large Austrian gold 4 Ducat dated 1915, showing Emperor Franz Joseph I in uniform and the crowned double-headed imperial eagle.
Bullion/gold
1 Rouble (1834)
An Imperial Russian silver 1 Rouble dated 1834, showing a right-facing imperial portrait with the Cyrillic ИМПЕРАТОРЪ legend and a crowned double-headed eagle.
Modern
Long Island Tercentenary Half Dollar
A 1936 U.S. silver half dollar marking 300 years of settlement on Long Island, with accolated settler and Native American heads and a Dutch sailing ship.
Classic Commemorative
Ghana 1 Pesewa
A small copper-colored 1 pesewa coin of Ghana dated 1967, showing twin eagle heads and 'FREEDOM AND JUSTICE' on one side and a star on the other.
World
Nummus of Magnentius
A late Roman bronze struck for the usurper Magnentius (AD 350-353), noted for its bold bare-headed portrait and large Chi-Rho reverses.
Ancient
12 Roubles (Nicholas I)
A rare Imperial Russian platinum 12 Roubles of Nicholas I, showing the crowned double-headed eagle and a Cyrillic '12 РУБЛЕЙ' value in Ural platinum.
Modern