Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Penny of Offa
Thin silver penny of King Offa of Mercia, showing a portrait or name inscription and a cross with geometric ornament on the reverse.
Medieval CoinsLiberty Cap Large Cent
An early U.S. copper cent (1793-1796) showing Liberty with a cap on a pole, flowing hair, and a wreath reverse.
Large CentNigeria 1 Naira
Nigeria's copper-nickel 1 Naira showing the nationalist Herbert Macaulay on the obverse and the national coat of arms on the reverse.
WorldTetradrachm of Ptolemy XII
Silver tetradrachm struck under Ptolemy XII of Egypt, father of Cleopatra VII, bearing a diademed royal Ptolemaic head and the dynasty's eagle-on-thunderbolt reverse.
AncientNummus of Magnentius
A late Roman bronze struck for the usurper Magnentius (AD 350-353), noted for its bold bare-headed portrait and large Chi-Rho reverses.
AncientFollis 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.
AncientDenarius of Julia Maesa
Roman silver denarius struck for Julia Maesa (c. 218–222 CE), showing her draped bust with wavy hair and a standing deity on the reverse.
AncientAntoninianus of Numerian
Late Roman radiate coin of the short-lived emperor Numerian (283-284 AD), showing his spiked crown and a Victory or standing deity on the reverse.
AncientBrutus Aureus
The gold aureus of Marcus Junius Brutus, struck 42 BC, whose reverse celebrates Caesar's assassination with EID MAR, a cap of liberty, and two daggers.
AncientGerman 10 Deutsche Mark Commemorative
A West/unified German silver 10 Deutsche Mark commemorative; this 1995 issue honors Heinrich der Loewe (Henry the Lion) with the Federal Eagle reverse.
CommemorativeGermany 2 Euro Erasmus Programme Commemorative
A German 2 Euro commemorative dated 2022 marking the Erasmus Programme, its obverse showing a student figure with a globe and the reverse the ring of European stars.
CommemorativeNapoleon III 20 Francs
French gold 20 francs of Emperor Napoleon III, showing his bare head facing right and a wreathed value on the reverse; example dated 1857.
World CoinsTrinidad and Tobago 50 Cents
A large copper-nickel Caribbean circulation coin; the 1967 example carries the national coat of arms and country name on the obverse and the 50-cent value on the reverse.
CirculationContemporary Forgery of Louis XVI Ecu
A period-style counterfeit imitating a Louis XVI silver ecu: a copied royal portrait obverse and a copied standing-figure reverse dated about 1792.
ForgerySpade Guinea Token
A base-metal imitation of the George III spade guinea, made as a gaming counter or advertising token, with a male profile obverse and a spade-shaped shield reverse.
TokenHalfpenny of Henry VIII
A tiny hand-struck Tudor silver halfpenny of Henry VIII, showing a crowned facing bust on the obverse and a long cross over a shield of arms on the reverse.
HammeredHalf Guinea of Anne
An English milled gold half guinea of Queen Anne, showing her left-facing bust and a crowned cruciform reverse of shields with fleurs-de-lis.
MilledGold Guinea
English gold coin of the Guinea denomination; the example shown bears the right-facing bust of Charles II with a crowned cruciform shield reverse dated 1668.
World CoinsCounterfeit 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.
CounterfeitPenny 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 CoinsLiberty Head Half Eagle
United States $5 gold coin with a left-facing Liberty head ringed by stars and a spread-winged eagle reverse; the pictured piece is dated 1838.
United StatesTurban Head Quarter Eagle
First U.S. $2.50 gold coin (1796), designed by Robert Scot; Liberty in a soft cap facing right with a heraldic eagle reverse. Extremely rare.
United StatesMissouri Centennial Half Dollar
A 1921 U.S. silver commemorative half dollar marking 100 years of Missouri statehood, with a coonskin-capped frontiersman facing left and a frontier-scene reverse.
Classic CommemorativeChristopher Columbus Quincentenary Silver Dollar
A 1992 U.S. 90% silver commemorative dollar marking 500 years since Columbus's 1492 voyage, with a standing Columbus obverse and a sailing-ship reverse.
Modern Commemorative