Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Spanish Colonial 2 Reales (Milled)
A small milled silver coin of the Spanish Empire, struck in colonial American mints; this example is dated 1776 and shows heraldic lions, castles and a crowned shield.
Colonial
Walking Liberty Half Dollar Centennial Gold
A 2016-W gold collector coin marking the centennial of the 1916 Walking Liberty half dollar, struck in 1/2 oz of 24-karat gold at West Point.
Half Dollar
Guangxu Yuanbao 20 Cents
A machine-struck Qing silver 20 cents of the Guangxu era, with a coiled dragon on one face and a yin-yang (taiji) symbol on the other.
Circulation
Philippines 25 Centavos
Silvery base-metal 25 centavos of the young Republic of the Philippines, dated 1958: a standing figure with a liberty torch and the Republic's sunburst coat of arms.
Southeast Asia
Missouri 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 Commemorative
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
Guangxu Yuanbao 7 Mace 2 Candareens
A silver Chinese dragon dollar of the Guangxu era, marked Guangxu Yuanbao and valued at 7 Mace 2 Candareens, with a coiled dragon on one face and Chinese legends on the other.
Circulation
Xuantong Yuanbao 7 Mace 2 Candareens
A late Qing silver dollar-size coin of the Xuantong era (1909-1911), reading 宣統元寶 on the obverse with a Chinese dragon on the reverse.
Circulation
3 Roubles (First All-Russian Coins)
Soviet 1982 commemorative 3 Roubles honoring the first all-Russian coins, showing three historical 18th-century Russian coins with the state emblem reverse.
Commemorative
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
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
Denarius of Pertinax
A rare silver denarius of Pertinax, Roman emperor for 86 days in 193 AD, showing his laureate portrait and a personification reverse.
Ancient
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
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
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)
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
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
Denarius 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.
Ancient
Denarius of Elagabalus
Silver denarius of the young Severan emperor Elagabalus (218–222 AD), with his laureate bust and a standing personified deity on the reverse.
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
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
Denarius of Severus Alexander
Silver denarius of the emperor Severus Alexander (AD 222–235), with his laureate portrait and a Mars reverse dated to about AD 229.
Ancient
Double Rupi
A large Afsharid silver coin of Nader Shah, the double rupi, dated AH 1151 and covered in flowing Persian calligraphy and ornamental scrollwork.
Historic