Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Antoninianus of Tetricus I
A billon antoninianus of the Gallic emperor Tetricus I (270–273 AD), showing his radiate portrait and a standing figure of Pax on the reverse.
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
Mercury Dime Centennial Gold
A 2016-W gold collector coin marking the centennial of the 1916 Mercury dime, struck in 1/10 oz of 24-karat gold at West Point.
Dime
Aureus of Augustus
Roman imperial gold coin bearing the bare head of Augustus, first emperor of Rome, struck during his reign from 27 BC to 14 AD.
Ancient Coins
Denarius of Septimius Severus
Silver denarius of the Roman emperor Septimius Severus (193–211 AD), showing his laureate head and a standing reverse figure.
Ancient
Antoninianus of Claudius II
A billon antoninianus of the Roman emperor Claudius II Gothicus (268–270 AD), showing his radiate bust on one side and a standing deity on the other.
Ancient
Antoninianus of Carinus
Bronze radiate coin of the emperor Carinus (283-285 AD), recognizable by his spiked crown and a standing or seated deity on the reverse.
Ancient
New Rochelle Half Dollar
A 1938 U.S. silver half dollar marking the 250th anniversary of New Rochelle, New York, with a Huguenot founder leading a fatted calf and a fleur-de-lis reverse.
Classic Commemorative
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
Antoninianus of Caracalla
The antoninianus introduced by Caracalla around AD 215, a radiate-crowned double denarius in debased silver that reshaped Roman coinage.
Ancient
Romania International Year of Chemistry Commemorative
Romanian silver 10 lei commemorative dated 2011, issued for the International Year of Chemistry with molecular, laboratory and scientist imagery.
Commemorative
Antoninianus of Valerian II
Roman radiate coin of Valerian II, the young Caesar (c. 253-260 AD), showing his spiked crown and a standing figure on the reverse.
Ancient
Jalisco 5 Centavos
A small copper 5-centavos coin issued by the Mexican state of Jalisco in 1915 during the Revolution, with a large numeral 5 and the national eagle.
Revolutionary
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
Double Louis d'Or
A large gold coin of Louis XIV dated 1701: the king's laureate profile and 'LUDOVICUS MAGNUS' obverse, an ornate cross of arms reverse.
Royal
Gold Tetradrachm of Ptolemy II and Arsinoe II
Ptolemaic gold of Egypt, c. 260-240 BC, with paired busts of Ptolemy II and Arsinoe II on one side and Ptolemy I and Berenike I on the other.
Ancient
5 Francs (First Republic)
A large silver 5-franc crown of the French First Republic, dated by the revolutionary calendar as L'an 9 (1800–1801), with a right-facing Liberty head.
Circulation
Pahlavi Reign Gold Medal
A gold medal of Pahlavi-era Iran, its obverse a left-facing royal portrait and its reverse the Lion and Sun beneath a crown, dated 1971.
Persia / Iran
Standing Liberty Quarter Centennial Gold
A 2016 U.S. quarter-dollar struck in 1/4 oz of .9999 fine gold, reviving Hermon MacNeil's Standing Liberty design for its 100th anniversary.
Quarter
Trinidad and Tobago Dollar
A Trinidad and Tobago one-dollar circulation coin dated 2015, showing the national coat of arms on the obverse and national emblems on the reverse.
Circulation
Indonesia 5 Rupiah
A lightweight aluminum 5-rupiah coin of the Republic of Indonesia dated 2003, carrying the Garuda eagle emblem and the legend Bank Indonesia.
Southeast Asia
Newfoundland Two Dollars
Small gold two-dollar coin of the colony of Newfoundland; the only circulating coin ever denominated in dollars, cents, and pence together.
Canadian & Provincial
India Half Pice
A small copper half pice from India carrying a crowned obverse with the word INDIA; the pice is a sub-unit of the old pre-decimal Indian coinage system.
Modern India
George Washington Presidential Dollar
The 2007 golden dollar honoring George Washington, first coin in the U.S. Presidential $1 series, with a left-facing portrait and Statue of Liberty reverse.
Dollar