Coin Identifier

Coin Encyclopedia

Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

Roman Imperial Denarius (Unidentified)

Roman Imperial Denarius (Unidentified)

A silver denarius of the Roman Empire, 2nd century AD, showing an emperor's right-facing curly-haired portrait and a standing imperial reverse type.

Ancient
Nummus of Magnentius

Nummus 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.

Ancient
Nummus of Maximianus

Nummus of Maximianus

A late-Roman bronze nummus (follis) of the emperor Maximianus, with his right-facing laureate portrait and a standing deity on the reverse.

Ancient
Nummus of Constantine I

Nummus of Constantine I

Small late Roman bronze nummus (follis) of Constantine I the Great (306-337 CE), identified by his right-facing imperial portrait on the obverse.

Ancient
Manlius Vulso Æ Sextans

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
Byzantine Nummus of Tiberius Constantine

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
Roman Centenionalis

Roman Centenionalis

A small fourth-century Roman bronze coin, part of the reformed low-value currency struck across the empire's mints during a period of frequent monetary change.

Ancient
Roman As

Roman As

A base-metal As of ancient Rome, showing the double-faced head of Janus on one side and a chariot with ROMA on the other.

Ancient
Roman Denarius

Roman Denarius

A small hammered silver coin of ancient Rome, showing an emperor's portrait and abbreviated Latin titles on one side and a deity or figure on the other.

Ancient
Ancient Roman Coin

Ancient Roman Coin

An unattributed ancient bronze coin of the Roman Empire, showing a right-facing portrait head on the obverse and a figure or heraldic design on the reverse.

Ancient
Roman Follis (AE3)

Roman Follis (AE3)

A small late Roman bronze follis of the Constantine I era (AD 320-330), with an emperor's profile obverse and a Victory or vota-in-wreath commemorative reverse.

Ancient
Roman As/Dupondius (Uncertain)

Roman As/Dupondius (Uncertain)

An uncertain Roman bronze As or Dupondius: a double-faced Janus head on one side and a ship (galley/prow) with ROMA below on the other.

Ancient
Roman Sestertius (Uncertain Emperor)

Roman Sestertius (Uncertain Emperor)

A large Roman imperial sestertius in bronze or orichalcum, heavily patinated with a bearded emperor's portrait and a reverse too worn to identify.

Ancient
Follis of Galerius

Follis 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.

Ancient
Commemorative Follis of Constantinople

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
Follis of Constantius Chlorus

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)

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
Unidentified Ancient Coin

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 Trajan

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
Sestertius of Caligula

Sestertius 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 Coins
Quincunx of Luceria

Quincunx of Luceria

A cast bronze quincunx of Luceria in Apulia (3rd century BC), showing a female head and a five-point floral or star device marking five unciae.

Ancient
Sestertius of Marcus Aurelius

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
Follis of Diocletian

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
Denarius of Marcus Aurelius

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