Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Sestertius of Antoninus Pius
Large Roman bronze coin of Emperor Antoninus Pius, with his bearded profile head and a standing deity or figure on the reverse.
Ancient CoinsAntoninianus
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 CoinsNummus 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.
AncientHalf Centenionalis of Constans or Constantius II
A small mid-4th-century Roman bronze attributed to Constans or Constantius II, sons of Constantine the Great, worn but identifiable by its imperial portrait and era.
AncientFollis 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.
AncientFollis of Licinius I
A small bronze follis of the emperor Licinius I (AD 308-324), showing his portrait and a standing deity reverse, struck around AD 320-321.
AncientFollis 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.
AncientDenarius of Julia Maesa
Roman silver denarius struck for Julia Maesa (c. 218–222 CE), showing her draped bust with wavy hair and a standing deity on the reverse.
AncientDenarius of Septimius Severus
Silver denarius of the Roman emperor Septimius Severus (193–211 AD), showing his laureate head and a standing reverse figure.
AncientDenarius of Severus Alexander
Silver denarius of the emperor Severus Alexander (AD 222–235), with his laureate portrait and a Mars reverse dated to about AD 229.
AncientFollis of Constantius Chlorus
Large silvered-bronze follis of Constantius I (Chlorus), the Tetrarchic emperor and father of Constantine, showing his laureate portrait facing right.
AncientAntoninianus of Probus
Late Roman billon antoninianus of Emperor Probus (276-282 AD), identified by his radiate crown portrait on the obverse.
AncientAntoninianus of Numerian
Late Roman radiate coin of the short-lived emperor Numerian (283-284 AD), showing his spiked crown and a Victory or standing deity on the reverse.
AncientAntoninianus of Salonina
Billon antoninianus of the empress Salonina, wife of Gallienus, showing her draped bust and a standing deity on the reverse (256-257 AD).
AncientAureus of Constantine I the Great
A Roman gold aureus struck for Constantine I the Great, showing his laureate portrait, from the era of his rise to sole power around AD 313.
AncientAntoninianus of Otacilia Severa
Roman double-denarius of the empress Otacilia Severa, wife of Philip I (246-248 AD), with her draped bust and a standing personification on the reverse.
AncientByzantine Nummus of Tiberius Constantine
A small bronze coin of Byzantine emperor Tiberius II Constantine (AD 578-582), with an imperial portrait or inscription and a mark of value or monogram.
AncientAntoninianus of Trebonianus Gallus
A radiate-crowned billon antoninianus of the emperor Trebonianus Gallus, struck AD 251-253 with a standing deity or personification on the reverse.
AncientDenarius of Geta
Silver denarius of the Severan prince Geta, showing his youthful bust with a standing deity or personification on the reverse.
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.
AncientDenarius of Didius Julianus
A silver denarius of Didius Julianus, the short-lived emperor of 193 AD, bearing his laureate portrait and an imperial standing reverse.
AncientVespasian Judaea Capta Denarius
Silver denarius of Emperor Vespasian (71–79 AD) with his laureate bust and a Judaea Capta reverse showing a mourning seated captive.
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.
AncientSestertius of Hadrian
Large Roman bronze sestertius of Emperor Hadrian, showing his bearded curly-haired profile and a standing draped figure with a Latin legend on the reverse.
Ancient Coins