Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
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
Charles II Half Guinea
A small milled gold coin of Charles II showing the king's laureate profile and a cruciform arrangement of crowned shields on the reverse.
Milled
Philip II Gold Half Stater
Gold half stater of Philip II of Macedon, c. 359-336 BC, showing the head of Heracles and an eagle perched on a thunderbolt.
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
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
Charles II Half Crown
A milled silver half crown of Charles II, showing his laureate bust facing right and crowned royal-arms shields on the reverse.
Milled
Half Guinea of George II
A small British gold coin of the reign of George II, worth half a guinea, with the king's left-facing bust and a crowned heraldic shield reverse.
Milled
Half Crown of William III and Mary II
A milled silver half crown of the joint reign of William III and Mary II, showing their conjoined busts and a crowned heraldic shield, dated 1691.
Milled
Solidus of Constantine II
Late Roman gold solidus of Constantine II, showing his ornately crowned bust and a seated figural reverse type.
Ancient Coins
Charles II Halfpenny
A milled copper halfpenny of Charles II showing his laureate bust and a seated Britannia, part of the first regal copper coinage of England, dated 1675.
Milled
Charles II Twopence
A small milled twopence of Charles II, showing the king's profile bust on the obverse and a crowned mark of value on the reverse.
Milled
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
British Decimal Half Penny
The smallest UK decimal coin, a tiny bronze half-penny introduced with decimalisation in 1971, bearing a crown reverse and the Machin portrait of Elizabeth II.
British Isles
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 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 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
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 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 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
Halfcrown of William III
A silver two-shilling-and-sixpence coin of William III showing his laureate profile facing right and crowned cruciform shields of arms, dated 1696.
Milled
Edward III Half Noble
Medieval English gold coin worth half a noble, this example showing King Edward III crowned with heraldic devices and a shielded, ornamented reverse.
Medieval Coins
Irish Gun Money Halfcrown (30 Pence)
Emergency base-metal halfcrown struck for James II in Ireland during 1689–1690, valued at 30 pence and carrying his portrait and, on many issues, the month of striking.
Emergency Coinage
Irish Halfpenny of Charles II
A milled copper halfpenny struck for Ireland under Charles II, with his right-facing laureate bust and a crowned Irish harp on the reverse.
Milled