Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
10 Para
Small Ottoman silver 10 Para dated AH 1280 (1863-1864), with the sultan's calligraphic tughra on one side and an ornamental Arabic-script inscription on the other.
Early ModernMiliarensis of Constantius II
A late Roman silver miliarensis of Emperor Constantius II (AD 327–361), showing his diademed portrait and a standing reverse figure.
AncientDenarius 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.
Ancient5 Yang
A late-Joseon Korean 5 Yang in bronze: a floral, chrysanthemum-and-taegeuk obverse paired with a coiled dragon and ornamental characters on the reverse.
HistoricAntoninianus
Roman imperial coin of the crisis era, marked by a radiate (spiked) crown on the emperor's head; struck in debased silver-and-copper billon, c. 250-270 AD.
Ancient CoinsSiliqua 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.
AncientDenarius 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.
Ancient1 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.
ModernBronze As of Nero
A Roman bronze as struck under the emperor Nero (54–68 AD), bearing his laureate portrait on the obverse and an imperial reverse type.
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 CoinsDenarius of Vitellius
A silver denarius of the emperor Vitellius, struck during his brief reign in AD 69, showing his heavy-jowled portrait with curly hair.
AncientAustria-Hungary 15 Kreuzer
A large copper 15 Kreuzer of 1807 struck under Emperor Franz I, showing his crowned laureate profile on the obverse.
CirculationDenarius 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.
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 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.
AncientGerman 20 Mark Gold
German Empire gold 20 mark of Prussia, with Kaiser Wilhelm I's bust and the imperial eagle; a small .900 gold coin from the pre-WWI Goldmark era.
Bullion/goldAustria-Hungary 1/4 Kreuzer
A small copper 1/4 Kreuzer of the Austrian Empire dated 1816, showing Emperor Franz I in crowned right-facing profile.
CirculationAureus 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 CoinsDenarius of Geta
Silver denarius of the Severan prince Geta, showing his youthful bust with a standing deity or personification on the reverse.
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.
AncientSestertius of Didius Julianus
A large bronze/orichalcum sestertius of Didius Julianus, the emperor who reigned only weeks in 193 AD — rare, historically charged, and much sought after.
AncientDenarius of Elagabalus
Silver denarius of the young Severan emperor Elagabalus (218–222 AD), with his laureate bust and a standing personified deity on the reverse.
AncientSestertius of Commodus
A large Roman bronze sestertius of Emperor Commodus (180–192 AD), his laureate bearded head on one side and a standing figure on the other.
AncientAureus of Marcus Aurelius
Small Roman gold coin of the reign of Marcus Aurelius; this piece shows a diademed portrait and a standing deity or personification, dated to 163 AD.
Ancient Coins