Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Roman Quadrans
A small Roman bronze quadrans, worth a quarter of an as, here a heavily corroded piece with a laureate head facing right.
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
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 Republic Semuncia
Smallest Roman Republican bronze denomination, worth half an uncia, struck around 217-215 BC with a Mercury head and a galley prow.
Ancient
Roman Victoriatus
Silver Roman Republican victoriatus of the late 3rd–2nd century BC, with the laureate head of Jupiter and a Victory crowning a trophy above ROMA.
Ancient
Artuqid Bronze Dirham
A 12th-century bronze coin of the Artuqid Turkmen dynasty, struck with Arabic inscriptions inside ornamental borders across eastern Anatolia.
Medieval Islamic
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
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
Warring States Knife Coin
A cast bronze knife coin (dao bi) of China's Warring States period, shaped like a small blade with a ringed handle and cast inscriptions.
Ancient
Chu State Ant-Nose Coin
A small cast bronze cowrie-shaped coin of the Chu state, bearing a face-like Chinese inscription in relief, nicknamed ant-nose or ghost-face money.
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
Coin Weight for Louis d'Or
A small bronze monetary weight used to verify a gold Louis d'Or on a balance, showing a worn royal profile and a heraldic reverse.
Token/weight
Louis d'Or Coin Weight
A French bronze monetary weight (poids monétaire) made to check the weight of a gold Louis d'Or, not a coin itself but a money-changer's balance weight.
Coin Weight
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
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
Arles Miliarensis
A late Roman silver miliarensis of the 4th century AD, with a diademed imperial portrait and an armed standing figure holding spear and shield.
Ancient
Solidus of Honorius
A late Roman gold solidus of Emperor Honorius (r. 393-423 CE), with his diademed bust and an armored standing figure holding a spear and shield.
Ancient
Solidus of Gratian
Late Roman gold solidus of Emperor Gratian (r. 367–383 CE), showing his curly-haired, diademed, draped and cuirassed portrait.
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
Siliqua of Gratian
A small late Roman silver siliqua of the emperor Gratian (AD 367-383), with his diademed bust on the obverse and a standing figure or personification on the reverse.
Ancient
Miliarense of Valentinian I
A late Roman silver miliarensis of Valentinian I (AD 364-375), with a pearl-diademed imperial portrait and an armed standing figure holding spear and shield.
Ancient
Sestertius 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.
Ancient
Sestertius of Didius Julianus
A large bronze/orichalcum sestertius of Didius Julianus, the emperor who reigned only weeks in 193 AD — rare, historically charged, and much sought after.
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