Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
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
Roman Siliqua
Small late-Roman silver coin of the 4th century AD, with an emperor's portrait facing right and a standing robed figure on the reverse.
Ancient
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
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
Ancient Sicilian Silver Coin
A silver coin of ancient Greek Sicily, showing a female goddess or nymph head on one face and a two-horse chariot (biga) on the other.
Ancient
Ancient Greek Didrachm
An ancient Greek silver didrachm worth two drachms, here with a bearded male head and a horse-and-rider reverse in the tradition of Magna Graecia.
Ancient
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 Quinarius
A small Roman silver quinarius, half the value of a denarius, here with a helmeted head of Roma and a prancing horse on the reverse.
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
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
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
Glycon Bronze Coin
Roman provincial bronze of the 2nd century AD showing the snake-god Glycon: a bearded serpent head on one side and a coiled snake on the other.
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
Qi State Knife Coin
A cast bronze knife-shaped coin of the ancient state of Qi, with Chinese characters running down the curved blade and a ringed handle terminal.
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
Syracuse Bronze Coin of Hiero II
Ancient Greek bronze of Syracuse struck under King Hieron II, c. 275-215 BC, bearing a Hellenistic profile head; a very common Sicilian city bronze.
Ancient
Solidus of Constantius II
Late Roman gold solidus of Emperor Constantius II (337-361 AD), showing his diademed bust facing right paired with a seated-figure reverse.
Ancient Coins
Solidus 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.
Ancient
Solidus of Justinian I
Byzantine gold solidus of Emperor Justinian I (527-565 AD), showing his crowned imperial bust with a seated figure on the reverse.
Ancient Coins
Denarius of Commodus
A silver denarius of the Roman emperor Commodus (180–192 AD), with his laureate bearded portrait and a standing deity or personification on the reverse.
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
Solidus of Constantine II
Late Roman gold solidus of Constantine II, showing his ornately crowned bust and a seated figural reverse type.
Ancient Coins