Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
Denarius of Faustina the Elder
A silver Roman denarius honoring Faustina the Elder, wife of Antoninus Pius, with her draped bust and a seated Fortuna reverse, struck c. 141–161 AD.
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
20 Soles de Oro
A Peruvian gold 20 soles de oro showing a seated Liberty with crown, torch and radiant sun, part of Peru's mid-20th-century gold coinage.
Circulation
Denarius of Lucius Verus
A silver Roman denarius of the emperor Lucius Verus (161–169 AD), showing his curly-haired, bearded portrait facing right with a Latin legend.
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
100 Soles de Oro
Peru's largest gold Sol de Oro—a heavy .900 gold coin of the Lima Mint. This reverse-only 1965 example shows a fortress emblem and CASA DE MONEDA DE LIMA.
Circulation
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
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
Numapis Denarius
A silver denarius of the Roman Republic (1st century BC) pairing a male portrait facing right with a ship or galley and lettering on the reverse.
Ancient
Half Centenionalis of Constans or Constantius II
A small mid-4th-century Roman bronze attributed to Constans or Constantius II, sons of Constantine the Great, worn but identifiable by its imperial portrait and era.
Ancient
Two Cent Piece
America's only two-cent coin, struck in bronze from 1864 to 1873, and the first U.S. coin to carry the motto "IN GOD WE TRUST."
Two Cent
Antoninianus
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 Coins
Prince Edward Island One Cent
Bronze one-cent coin struck in 1871 for the colony of Prince Edward Island, with Queen Victoria on the obverse and the island's name and date on the reverse.
Canadian & Provincial
British Pre-Decimal Halfpenny
Bronze British halfpenny worth 1/480 of a pound. The George V type shows the king's profile and a seated Britannia with trident.
British Isles
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
10,000 Soles de Oro
A large Peruvian silver coin of 10,000 soles de oro, its obverse bearing the national coat of arms with the vicuna, cinchona tree and cornucopia.
Circulation
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
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
Straits Settlements One Cent
A round bronze one-cent coin of the British Straits Settlements bearing the crowned profile of King George V, dated 1920.
Colonial
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
Aureus of Marcus Aurelius
Small Roman gold coin of the reign of Marcus Aurelius; this piece shows a diademed portrait and a standing deity or personification, dated to 163 AD.
Ancient Coins
Aureus 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 Coins
Siliqua of Jovian
Small late-Roman silver siliqua of Emperor Jovian (AD 363–364), with his right-facing portrait and a Victory or standing deity reverse.
Ancient