Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Delaware Tercentenary Half Dollar
A 1936 U.S. silver half dollar marking 300 years since Swedish colonists landed in Delaware, showing Old Swedes Church on one side and the ship Kalmar Nyckel on the other.
Classic CommemorativeThebes Stater
Silver stater of Thebes with the Boeotian shield and a bearded head of Dionysos, struck as federal coinage of the Boeotian League, c. 395-338 BC.
AncientSolidus 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 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.
AncientSolidus of Gratian
Late Roman gold solidus of Emperor Gratian (r. 367–383 CE), showing his curly-haired, diademed, draped and cuirassed portrait.
AncientSolidus of Theodosius I
A late Roman gold solidus struck for the emperor Theodosius I (AD 379-395), showing his diademed portrait and the legend D N THEODOSIVS AVG.
AncientCommemorative Follis of Constantinople
Bronze city-commemorative of Constantine's era (330-340 AD): helmeted Constantinopolis on the obverse, a Victory standing on a ship's prow on the reverse.
AncientSouth Africa 5 Shillings
A large 1952 South African silver crown marking Cape Town's 300th anniversary, with King George VI and a sailing-ship reverse.
CirculationFollis of Galerius
A large silvered bronze follis of the emperor Galerius (Augustus AD 305-311), struck across the Tetrarchic mints with a laureate portrait and a standing deity reverse.
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.
AncientSolidus 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.
AncientAlexander the Great Gold Stater
Gold stater struck in the name of Alexander the Great, with a helmeted Athena obverse and Nike holding a wreath on the reverse; this example c. 323-315 BC.
AncientSiliqua of Jovian
Small late-Roman silver siliqua of Emperor Jovian (AD 363–364), with his right-facing portrait and a Victory or standing deity reverse.
AncientDirham of Qirwash ibn al-Muqallad
Silver dirham struck under the Uqaylid amir Qirwash ibn al-Muqallad of Mosul, dated 393 AH (1003 CE), with three-line Arabic legends.
Medieval IslamicSyracuse Dekadrachm
Large silver dekadrachm of Syracuse, c. 405-380 BC, showing a racing quadriga crowned by Victory and a head of the nymph Arethusa with flowing hair.
AncientBronze Coin of Cleopatra VII
Ptolemaic bronze coin of Cleopatra VII of Egypt, 51-30 BC, showing her draped diademed bust in profile as sole named female ruler of the dynasty.
AncientSestertius 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 CoinsSolidus 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 CoinsMark Antony Legionary Denarius
Silver denarius struck by Mark Antony in 32-31 BC to pay his army and fleet; reverse aquila between two standards, this example countermarked IMP VES.
AncientDenarius of Tiberius (Tribute Penny)
Silver denarius of Emperor Tiberius (14–37 AD), obverse his laureate head, reverse a seated female figure — the famous "Tribute Penny" of the Gospels.
AncientLong 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 CommemorativeGold Dinar of Abu'l-Qasim Unujur
An Ikhshidid gold dinar of Abu'l-Qasim Unujur, dated AH 337, with purely calligraphic Arabic legends inside ornamental borders on both faces.
Islamic (Medieval)Miliarense of Valentinian I
A late Roman silver miliarensis of Valentinian I (AD 364-375), with a pearl-diademed imperial portrait and an armed standing figure holding spear and shield.
Ancient