Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Commemorative 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.
Ancient
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
Sestertius of Nero (Port of Ostia)
A large brass sestertius of the emperor Nero (54–68 AD) showing his portrait on one side and a bird's-eye view of the harbour at Ostia on the other.
Ancient
Antoninianus of Claudius II
A billon antoninianus of the Roman emperor Claudius II Gothicus (268–270 AD), showing his radiate bust on one side and a standing deity on the other.
Ancient
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 Coins
Follis of Constantius Chlorus
Large silvered-bronze follis of Constantius I (Chlorus), the Tetrarchic emperor and father of Constantine, showing his laureate portrait facing right.
Ancient
Bronze Coin of Corinth (Augustan)
A Roman colonial bronze struck at Corinth during the reign of Augustus, showing a laureate imperial portrait; the example here has a badly corroded reverse.
Ancient
Romania International Year of Chemistry Commemorative
Romanian silver 10 lei commemorative dated 2011, issued for the International Year of Chemistry with molecular, laboratory and scientist imagery.
Commemorative
Sestertius of Maximinus Thrax
Large Roman bronze sestertius of Maximinus Thrax (235-238 AD), the first soldier-emperor, with a laureate bust facing right.
Ancient
Denarius 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.
Ancient
Sestertius of Marcus Aurelius
A large Roman bronze sestertius struck during the reign of Marcus Aurelius (161–180 CE), with his laureate portrait facing right and a Latin legend.
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
Antoninianus 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.
Ancient
Aureus 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.
Ancient
Denarius of Faustina the Younger
Roman Imperial silver denarius of Faustina the Younger, showing her draped bust with an elaborate curled hairstyle and a standing deity or personification on the reverse.
Ancient
Bronze Coin of Septimius Severus (Tyre)
Roman provincial bronze struck at Tyre (Phoenicia) under Septimius Severus, 193-211 AD, with the emperor's bust on the obverse and a temple or deity reverse.
Ancient
Antoninianus 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.
Ancient
Half 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.
Ancient
Sestertius of Vespasian (Iudaea Capta)
Large Roman bronze sestertius of Vespasian (AD 70–71) marking the conquest of Judaea, with a palm tree and mourning captives on the reverse.
Ancient
2.5 Escudos
A copper-nickel 2.5 Escudos of the Portuguese Republic, showing a sailing caravel on the obverse and the national shield with the value 2$50.
Modern
Denarius of Antoninus Pius and Marcus Aurelius
Roman silver denarius of Antoninus Pius (138–161 AD), a dynastic type showing the emperor and the two young Caesars, Marcus Aurelius and Lucius Verus.
Ancient
Byzantine 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.
Ancient
Charles I Twenty Pence
A small hammered silver twenty-pence coin of Charles I, showing his crowned profile and a heraldic reverse with rose and thistle badges.
Hammered
Barbados 10 Cents
A small copper-nickel Barbadian 10-cent coin showing the national coat of arms on one side and the value and country name on the other.
Circulation