Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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.
AncientRoman 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.
AncientRoman 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.
AncientRoman Republican Denarius (Unidentified)
A silver Roman Republican denarius of about 115-114 BC: helmeted Roma on the obverse, Victory driving a two-horse chariot on the reverse.
AncientDenarius 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.
AncientSestertius 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 CoinsDenarius 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.
AncientAureus of Augustus
Roman imperial gold coin bearing the bare head of Augustus, first emperor of Rome, struck during his reign from 27 BC to 14 AD.
Ancient CoinsDenarius of Didius Julianus
A silver denarius of Didius Julianus, the short-lived emperor of 193 AD, bearing his laureate portrait and an imperial standing reverse.
AncientDenarius of Nerva
Roman Imperial silver denarius of Emperor Nerva (96-98 AD), with his laureate portrait and the legend IMP NERVA CAES AVG, and a seated Concordia reverse.
AncientDenarius 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.
AncientDenarius of Domitian
Silver denarius of the emperor Domitian (81-96 AD), with his laureate portrait on the obverse and, typically, the goddess Minerva on the reverse.
Ancient10 Roubles (Elizabeth)
An Imperial Russian gold 10 Roubles of Empress Elizabeth, showing her crowned portrait and the double-headed eagle with orb and scepter, dated 1756.
Early ModernHoxne 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.
AncientArles 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.
AncientUnidentified 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.
AncientAureus of Nero
Roman imperial gold aureus of Emperor Nero (54-68 AD), showing his curly-haired portrait facing right with a Latin imperial legend.
Ancient CoinsAntoninianus
Roman imperial coin of the crisis era, marked by a radiate (spiked) crown on the emperor's head; struck in debased silver-and-copper billon, c. 250-270 AD.
Ancient Coins1 Rouble (1834)
An Imperial Russian silver 1 Rouble dated 1834, showing a right-facing imperial portrait with the Cyrillic ИМПЕРАТОРЪ legend and a crowned double-headed eagle.
ModernBronze 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.
AncientPoltina (½ Rouble)
Silver half-rouble of Imperial Russia dated 1857, marked ПОЛТИНА on one side and bearing the crowned double-headed eagle of the Romanov empire.
Modern1 Kopeck
Small copper 1 Kopeck of Imperial Russia dated 1908, with the value in a wreath on one side and the crowned double-headed eagle on the other.
ModernSolidus of Gratian
Late Roman gold solidus of Emperor Gratian (r. 367–383 CE), showing his curly-haired, diademed, draped and cuirassed portrait.
AncientDenarius 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