Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
Follis of Maximian
A large silvered-bronze follis of the emperor Maximian, introduced with Diocletian's coin reform of the Tetrarchy around AD 294.
Ancient
Follis of Crispus
A small bronze follis of Crispus, eldest son of Constantine the Great, with his diademed bust and a winged Victory reverse (317-326 AD).
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
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
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
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
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 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
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
Follis 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.
Ancient
Follis of Constantine I and Crispus
A late-Roman bronze follis linking Constantine the Great to his son Crispus, with the emperor's right-facing portrait and a paired father-and-son bust reverse.
Ancient
Nemausus As/Dupondius (Crocodile Type)
The famous crocodile of Nimes: a large Roman provincial bronze with paired heads of Agrippa and Augustus and a crocodile chained to a palm.
Ancient
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 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
Miliarense of Leo I
Eastern Roman silver miliarensis of Leo I (AD 457-474), showing his diademed bust and a standing military figure with spear and shield.
Ancient
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
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
Bronze 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.
Ancient
Solidus of Constantine II
Late Roman gold solidus of Constantine II, showing his ornately crowned bust and a seated figural reverse type.
Ancient Coins
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
Denarius of C. Papius Mutilus
Silver denarius bearing the name C PAPIUS MUTILUS, a Social War-era Italic type of c. 90 BC with a portrait bust and a horseman or chariot reverse.
Ancient
Byzantine Follis
Large bronze follis of the Byzantine Empire, this example under Constans II (from 641 AD), with an imperial portrait and a big M value mark topped by a cross.
Medieval
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