Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Cartwheel Penny
The heavy 1797 copper penny of George III, with a broad raised rim and sunken lettering, struck by steam power at Matthew Boulton's Soho Mint.
MilledAntiochos the Child Tetradrachm
Silver Seleucid tetradrachm, c. 175 BC, with a young diademed head and a martial reverse figure with spear and shield.
AncientEnglish Shilling
English silver shilling of William III, showing his right-facing laureate bust and a crowned cruciform-shield reverse; this example is dated 1692.
World CoinBank 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.
MilledScottish Coin (Uncertain)
A worn hammered copper-alloy Scottish coin, apparently of the reign of Charles I, showing a bearded profile and a heraldic reverse with lettering.
Hammered4 Maravedis
A copper Spanish coin struck in the names of Carlos and Joanna, worth four maravedis (one cuarto), carrying the crowned royal arms and Pillars of Hercules.
CirculationSpade Guinea
A late George III gold guinea named for the distinctive spade-shaped shield on its reverse, struck in England from 1787 into the early 1800s.
Milled8 Reales (Portrait/Bust Type)
Large silver Spanish Empire dollar showing the bust of King Carlos III and a crowned coat of arms with lions and castles.
World CoinsAlexander the Great Gold Stater
Gold stater struck in the name of Alexander the Great, with a helmeted Athena obverse and Nike holding a wreath on the reverse; this example c. 323-315 BC.
Ancient20 Francs Napoleon
A small 21 mm French gold coin bearing Napoleon III's profile and a wreathed 20 FRANCS reverse — the classic gold Napoleon, here dated 1857.
BullionTriple Unite
The largest English hammered gold coin, struck for Charles I during the Civil War and valued at 60 shillings (three pounds).
HammeredImperial Chervonets
A small imperial Russian gold chervonets bearing the right-facing bust of Peter III with regalia and the crowned double-headed eagle, dated 1762.
Early ModernGold Sovereign
The British gold sovereign: a one-pound gold coin. This 1817 George III example shows a laureate bust and a crowned heraldic shield of the royal arms.
WorldCartwheel Twopence
The massive 1797 copper twopence of George III, famous for its broad raised rim and full ounce of copper, struck at Boulton's Soho Mint.
MilledAlexander the Great Gold Quarter Stater
A small gold fraction of the Alexander the Great coinage, showing the head of Heracles and an eagle perched on a thunderbolt, the attributes of Zeus.
AncientAlexander the Great Silver Drachm
Silver drachm in the name of Alexander the Great, with the head of young Herakles in a lion skin and Zeus enthroned on the reverse.
AncientCounterstamped 8 Reales
A Charles IV silver 8 reales later punched with counterstamps and pierced with a central hole, layering a second life onto the classic Spanish dollar.
ColonialCounterfeit Guinea
A base-metal (copper or brass) imitation of a George III gold guinea, struck or cast to deceive, showing a right-facing bust and a heraldic shield reverse.
CounterfeitAlexander the Great Tetradrachm
Silver tetradrachm of Alexander III of Macedon with the head of Heracles in a lion skin and an enthroned deity holding an eagle on the reverse.
AncientImitation Guinea Gaming Piece
A brass or bronze token imitating a George III spade guinea, made for card games and gaming tables rather than as legal-tender money.
British IslesThree Graces Pattern Crown
A celebrated 1817 silver pattern crown of George III, engraved by William Wyon and never issued for circulation — a prized masterpiece of British coinage.
PatternHalf Crown of William IV
A milled British silver half crown of King William IV, with the king's bare head facing right and a crowned royal shield of arms on the reverse.
MilledLysimachos Gold Stater
Gold stater of Lysimachos, king in Thrace and Macedon c. 305-281 BC, with a deified head of Alexander the Great and an enthroned Athena reverse.
AncientPenny of Cnut
Anglo-Saxon silver penny of King Cnut (Canute), showing a diademed bust facing left with a cross-and-pellets reverse, struck c.1024-1030.
Medieval Coins