Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
German 2 Reichsmark Garrison Church Commemorative
A 1933 German silver 2 Reichsmark commemorative showing the Potsdam Garrison Church tower, issued to mark the "Day of Potsdam."
Commemorative
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
Battle of Antietam Half Dollar
A 1937 U.S. silver half dollar marking 75 years since the Civil War Battle of Antietam, with jugate busts of Lee and McClellan and Burnside Bridge on the reverse.
Classic Commemorative
Teston of Henri II
A French Renaissance silver teston of Henri II (1547-1559): the king's realistic profile bust right, a crowned fleur-de-lis coat of arms on the reverse.
Renaissance
Ecu of Louis XIV
A large silver crown of Louis XIV, the Sun King, showing his laureate or wigged bust facing left and a crowned French shield of fleur-de-lis, dated 1693.
Royal
Denarius of C. Cato
Silver Roman Republican denarius struck at Rome in 123 BC by the moneyer C. Cato, with a helmeted head of Roma and Victory driving a chariot.
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
Library of Congress Bicentennial Silver Dollar
A 2000 U.S. silver dollar honoring the 200th anniversary of the Library of Congress, with a 'We the People' quill-and-scroll obverse and the Library facade on the reverse.
Modern Commemorative
Gold Dinar of Ahmad ibn Tulun
A late-9th-century Islamic gold dinar of the Tulunid ruler Ahmad ibn Tulun, its faces filled with concentric Arabic inscriptions and dated AH 268 (881–882 CE).
Islamic (Medieval)
Denarius of Macrinus
Silver denarius of Macrinus (r. 217–218 AD), a bearded emperor portrait paired with a standing deity or personification on the reverse.
Ancient
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 Julia Domna
Roman silver denarius of the empress Julia Domna (193-217 CE), with her draped bust and a standing goddess or personification on the reverse.
Ancient
Antoninianus of Carus
Late-Roman bronze radiate of the emperor Carus (282-283 AD), showing his bearded, spiky-crowned head and a standing personification on the reverse.
Ancient
Sovereign of William IV
A 22-carat gold sovereign of William IV, with the king's bare head facing right and a crowned royal shield of arms on the reverse.
Milled
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
Ilkhanid Dirham of Abu Said
A hand-struck Mongol Ilkhanate silver dirham of Abu Sa'id Bahadur Khan, with the ruler's titles set in a cartouche and religious inscriptions in concentric bands.
Islamic (Medieval)
Tetradrachm of Ptolemy IV
Silver tetradrachm of Ptolemy IV Philopator, 221-204 BC, with the jugate busts of Sarapis and Isis on the obverse and an eagle on a thunderbolt on the reverse.
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
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 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 Gordian III
Silver double-denarius of the young emperor Gordian III (238-244 AD), marked by his radiate crown and a standing deity on the reverse.
Ancient
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
Spirit of ANZAC Commemorative 50 Cents
A 2015 Australian silver-finish 50-cent commemorative marking the centenary of ANZAC, with soldier imagery and 1915-2015 dating.
Commemoratives
Denarius of Caracalla
A silver denarius of the Roman emperor Caracalla, struck 198–217 CE, showing his laureate right-facing bust and a Latin legend encircling the design.
Ancient