Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Classic Head Quarter Eagle
U.S. $2.50 gold coin struck 1834–1839, with a band-bound Liberty head obverse and a shield-breasted eagle reverse marked "2½ D."
Quarter Eagle
20 Kroner
Danish aluminum-bronze 20 Kroner of 1990 honoring Queen Margrethe II, with a crown over a marguerite daisy and the dates 1940 and 1990.
Modern
Pennsylvania State Quarter
1999 U.S. 25-cent piece, second in the 50 State Quarters series, showing the Commonwealth statue, state outline, and a keystone for Pennsylvania.
Quarter
French Constitutional Ecu
A large 1792 French silver ecu of the constitutional monarchy, with a bust of Louis XVI and an allegorical figure of Liberty with fasces.
Revolutionary
Ecu of Louis XVI
A large French silver ecu of Louis XVI dated 1784: left-facing royal bust obverse, crowned arms of France and Navarre framed by laurel on the reverse.
Royal
French Half Ecu (Demi-Ecu)
A silver half ecu of Louis XVI dated 1792, with his bust left and a standing winged genius reverse reading L'AN 4 DE LA LIBERTE.
Royal
Constitutional Ecu
A French silver ecu of the constitutional-monarchy era showing King Louis XVI on the obverse and a standing armed Liberty figure on the reverse, dated 1792.
Revolutionary
France 1 Euro
France's bimetallic 1 euro coin, with a stylized leafy tree inside a hexagon on the national side and the euro value with a map of Europe on the common side.
Euro
Brutus & Plaetorius Denarius
The silver EID MAR denarius: M. Junius Brutus on the obverse, a Phrygian cap between two daggers and EID MAR on the reverse, struck 42 BC.
Ancient
Christopher 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
Denarius of Cassius Longinus
Silver denarius struck in 42 BC by Gaius Cassius Longinus, one of Caesar's assassins, to pay his legions before the Battle of Philippi.
Ancient
Denarius of Didius Julianus
A silver denarius of Didius Julianus, the short-lived emperor of 193 AD, bearing his laureate portrait and an imperial standing reverse.
Ancient
Antoninianus of Laelianus
Rare billon antoninianus of the short-lived Gallic usurper Laelianus, showing his radiate-crowned bust and a Roman deity or personified virtue.
Ancient Coins
Counterstamped 2 Reales
A Spanish silver 2 reales dated 1803 that was later punched with a WR-and-crown counterstamp, giving it a second, borrowed life as legal tender.
Colonial
Counterstamped 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.
Colonial
Twenty Cent Piece
A short-lived U.S. silver coin worth twenty cents, showing a seated Liberty and a soaring eagle, struck only from 1875 to 1878.
Twenty Cent
Warring States Knife Coin
A cast bronze knife coin (dao bi) of China's Warring States period, shaped like a small blade with a ringed handle and cast inscriptions.
Ancient
Antoninianus 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.
Ancient
1 Penni
Finland's smallest post-1963 coin: a tiny light base-metal piece with a bold numeral 1 and SUOMI on the front and a geometric line pattern on the back.
World
Qian Feng Quan Bao
A round bronze Tang cash coin with a square center hole, cast under Emperor Gaozong in the short-lived Qianfeng era and worth ten ordinary cash.
Cash Coin
1 Gulden (Silver)
Silver 1 Gulden of the Free City of Danzig, dated 1923, carrying the city's coat of arms and its own short-lived currency between the World Wars.
Modern
Dirham of Qirwash ibn al-Muqallad
Silver dirham struck under the Uqaylid amir Qirwash ibn al-Muqallad of Mosul, dated 393 AH (1003 CE), with three-line Arabic legends.
Medieval Islamic
Chu State Ant-Nose Coin
A small cast bronze cowrie-shaped coin of the Chu state, bearing a face-like Chinese inscription in relief, nicknamed ant-nose or ghost-face money.
Ancient
Indian Head Cent
Classic U.S. one-cent piece struck 1859–1909, showing Liberty in a feathered headdress; later dates like 1909 are bronze with an oak-wreath-and-shield reverse.
Small Cent