Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Panama-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 Commemorative
Unidentified Ancient Coin
A worn ancient bronze coin whose exact type is not yet identifiable — a right-facing profile portrait on one side and a faded design on the other.
Ancient
Denarius of Commodus
A silver denarius of the Roman emperor Commodus (180–192 AD), with his laureate bearded portrait and a standing deity or personification on the reverse.
Ancient
Miliarensis of Constantius II
A late Roman silver miliarensis of Emperor Constantius II (AD 327–361), showing his diademed portrait and a standing reverse figure.
Ancient
Glycon Bronze Coin
Roman provincial bronze of the 2nd century AD showing the snake-god Glycon: a bearded serpent head on one side and a coiled snake on the other.
Ancient
Aureus of Nero
Roman imperial gold aureus of Emperor Nero (54-68 AD), showing his curly-haired portrait facing right with a Latin imperial legend.
Ancient Coins
Irish Groat of Henry VIII
A hand-hammered silver fourpence struck for Ireland under Henry VIII, famed for introducing the crowned harp to Irish coinage.
Hammered
Shawnee Quarter
2016 U.S. America the Beautiful quarter honoring Shawnee National Forest in Illinois, showing the rock formations at Garden of the Gods.
Quarter
Denarius of Septimius Severus
Silver denarius of the Roman emperor Septimius Severus (193–211 AD), showing his laureate head and a standing reverse figure.
Ancient
Copper Fals of Muzaffar Hajji
A worn medieval Islamic copper fals bearing Arabic calligraphy and the name of the ruler al-Muzaffar Hajji, an aniconic base-metal coin used as everyday small change.
Islamic (Medieval)
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
Akçe
The akçe was the tiny silver coin at the heart of the early Ottoman economy, struck with Arabic-script inscriptions and no portrait or figural imagery.
Medieval
Hoxne Hoard Siliqua
A small late-Roman silver siliqua of the type found in Britain's Hoxne Hoard, with an imperial portrait and a standing figure or personified virtue.
Ancient
Follis of Diocletian
A large silver-washed bronze coin of the Tetrarchy, introduced by Diocletian's currency reform around AD 294 with a stern laureate portrait.
Ancient
Thebes 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.
Ancient
Solidus of Gratian
Late Roman gold solidus of Emperor Gratian (r. 367–383 CE), showing his curly-haired, diademed, draped and cuirassed portrait.
Ancient
Denarius of Lucius Verus
A silver Roman denarius of the emperor Lucius Verus (161–169 AD), showing his curly-haired, bearded portrait facing right with a Latin legend.
Ancient
Arles Miliarensis
A late Roman silver miliarensis of the 4th century AD, with a diademed imperial portrait and an armed standing figure holding spear and shield.
Ancient
Solidus of Honorius
A late Roman gold solidus of Emperor Honorius (r. 393-423 CE), with his diademed bust and an armored standing figure holding a spear and shield.
Ancient
Numapis Denarius
A silver denarius of the Roman Republic (1st century BC) pairing a male portrait facing right with a ship or galley and lettering on the reverse.
Ancient
Denarius of Marcus Aurelius
Roman silver denarius of Marcus Aurelius (c. 170-171 AD): laureate bearded emperor on the obverse, a standing personification on the reverse.
Ancient
Manlius Vulso Æ Sextans
Small Roman Republican bronze sextans signed by the moneyer Manlius Vulso, with a capped male head and the classic prow reverse marked ROMA.
Ancient
Siliqua 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.
Ancient
Denarius of Trajan
Silver denarius of the emperor Trajan (98–117 AD), showing his laureate bust and, on this piece, Libertas standing with patera and rod.
Ancient