Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Half Sovereign of George III
British 22-carat gold half sovereign of George III, introduced in 1817 with a laureate bust and a crowned shield of arms; face value ten shillings.
MilledShilling of James I
Hammered silver shilling of King James I, showing his crowned left-facing bust and a quartered heraldic shield of England, Scotland, Ireland and France.
World CoinsDenarius 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.
AncientShilling of Victoria
A milled sterling-silver British shilling of Queen Victoria, worth twelvepence, with the queen's head on the obverse and a crowned 'ONE SHILLING' reverse.
MilledShilling of Charles I
A hammered silver English shilling of King Charles I, showing his crowned left-facing profile with the value mark XII and a quartered royal shield.
World CoinsHalf 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.
MilledGold Dinar of Baybars I
A hand-struck gold coin of the Mamluk sultan Baybars I, covered on both faces with Arabic calligraphy naming the ruler and struck in Egypt between 1260 and 1277 CE.
IslamicBank of England Dollar
A George III silver dollar issued by the Bank of England in 1804, struck over Spanish eight-reales coins, with a laureate bust and a crowned shield reverse.
MilledDenarius of Septimius Severus
Silver denarius of the Roman emperor Septimius Severus (193–211 AD), showing his laureate head and a standing reverse figure.
AncientFive Guineas of George II
The largest English gold coin of George II's reign, showing his laureate profile and a crowned heraldic shield of the royal arms on the reverse.
MilledMiliarensis of Constantius II
A late Roman silver miliarensis of Emperor Constantius II (AD 327–361), showing his diademed portrait and a standing reverse figure.
AncientSolidus of Valentinian I
The gold solidus of Valentinian I (AD 364-375), a pure-gold coin bearing his pearl-diademed profile that anchored the late Roman monetary system.
AncientAureus 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 CoinsPenny of Cynethryth
Anglo-Saxon silver penny of Cynethryth, queen of Mercia and wife of Offa, and the only Anglo-Saxon queen named on her own coinage.
Medieval CoinsFatimid Dinar of Imam Nizar
An 11th-century Fatimid gold dinar with concentric circular Kufic inscriptions naming the ruler and Shi'a invocations, a hallmark of Fatimid coinage.
Islamic (Medieval)Aureus of Faustina II
Roman imperial gold coin with the draped bust of Faustina II, daughter of Antoninus Pius and wife of Marcus Aurelius, struck around 147-150 AD.
Ancient CoinsHalf Groat of Henry VIII
A small hammered English silver coin worth twopence, struck across the reign of Henry VIII and bearing his crowned facing bust.
HammeredGold Dinar of Alp Arslan
A hand-struck Islamic gold coin of the Great Seljuk sultan Alp Arslan, covered in concentric Arabic inscriptions naming the ruler and caliph, AH 455–465.
IslamicTwo Guineas of George II
A large milled gold two-guinea piece of George II, with his left-facing laureate head and a crowned garnished shield of the royal arms; the pictured coin is dated 1738.
MilledSestertius of Vespasian (Iudaea Capta)
Large Roman bronze sestertius of Vespasian (AD 70–71) marking the conquest of Judaea, with a palm tree and mourning captives on the reverse.
AncientHalfcrown 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.
MilledSolidus 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.
AncientHalf Escudo (800 Reis) of Joao V
A small Portuguese gold coin of King Joao V, valued at half an escudo (800 reis), with his laureate bust and a crowned Portuguese shield.
ColonialSpanish Colonial Cob 1 Real
A small, crudely hand-struck silver cob of one real, made in Spain's American colonies with heraldic shield-and-cross designs.
Cob Coinage