Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
U.S. Constitution Bicentennial Silver Dollar
A 1987 U.S. Mint 90% silver commemorative dollar marking the 200th anniversary of the Constitution, with a quill-pen obverse.
Modern Commemorative
Sacagawea Dollar
U.S. golden-colored dollar coin showing Sacagawea and her infant son on the obverse and a soaring eagle on the reverse, struck 2000–2008.
Dollar
Arles Miliarensis
A late Roman silver miliarensis of the 4th century AD, with a diademed imperial portrait and an armed standing figure holding spear and shield.
Ancient
100 Forint (Commemorative)
A Hungarian bi-metallic 100 Forint commemorative pairing the national coat of arms with a bird of prey in flight, struck in a gold-toned ring and pale center.
Commemorative
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
Artuqid Bronze Dirham
A 12th-century bronze coin of the Artuqid Turkmen dynasty, struck with Arabic inscriptions inside ornamental borders across eastern Anatolia.
Medieval Islamic
Qianlong Tongbao (An Nam)
A bronze round cash coin with a square center hole bearing the four characters Qianlong Tongbao, cast in An Nam (Vietnam) in the imitative Chinese style.
Cash Coin
10 Cash (Republic)
A Republic of China bronze 10 Cash: a round machine-struck copper piece with a central ornament and characters on one face and a decorative inscribed reverse.
Cash Coin
Indian Paisa
A hand-struck copper paisa from early 19th-century India, its legends worn smooth by age and circulation. A humble base-metal coin of everyday commerce.
Princely & Presidency States
Tetradrachm of Ptolemy I
Silver tetradrachm of Ptolemy I Soter of Egypt, c. 305-283 BC, with his diademed portrait and the Ptolemaic eagle standing on a thunderbolt.
Ancient
Antoninianus
Roman imperial coin of the crisis era, marked by a radiate (spiked) crown on the emperor's head; struck in debased silver-and-copper billon, c. 250-270 AD.
Ancient Coins
Lysimachos Gold Stater
Gold stater of Lysimachos, king in Thrace and Macedon c. 305-281 BC, with a deified head of Alexander the Great and an enthroned Athena reverse.
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
Antoninianus of Otacilia Severa
Roman double-denarius of the empress Otacilia Severa, wife of Philip I (246-248 AD), with her draped bust and a standing personification 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
Antigonos II Gonatas Tetradrachm
Silver tetradrachm of the Macedonian king Antigonos II Gonatas, c. 275-270 BC, with a bearded royal head and a seated Nike holding a wreath.
Ancient
Leif Erikson Commemorative 1000 Króna
Icelandic silver commemorative dated 2000, marking the millennium of Leif Erikson's voyage and the Norse discovery of North America.
Commemorative
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
Rhodes Tetradrachm
Silver tetradrachm of the island city of Rhodes, 4th century BC, with the radiate head of the sun-god Helios and a rose, the city's civic emblem.
Ancient
Roman Siliqua
Small late-Roman silver coin of the 4th century AD, with an emperor's portrait facing right and a standing robed figure on the reverse.
Ancient
Styca of Eanred
Small base-metal coin of King Eanred of Northumbria, with a cross and legend on one face and a central symbolic motif on the other.
Medieval Coins
Ban Liang
A round bronze cash coin with a square central hole and two seal-script characters reading Ban Liang, from early imperial China.
Ancient
Quincunx of Capua
Bronze quincunx (5 unciae) struck by Capua in Campania in the 3rd century BC, pairing a diademed female head with a lion or griffin and five value pellets.
Ancient
Schaummünze Gold Thaler
A 17th-century German gold Schaummünze in thaler form, its obverse showing a bearded profile portrait of Anton Ulrich flanked by two standing figures.
Medal