Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

Farthing
The smallest-value British bronze coin, worth a quarter of a penny, fondly remembered for its charming wren reverse design used from 1937 until its withdrawal.
British
Halfpenny
A small British bronze coin worth half a penny, best known in its twentieth-century form featuring Sir Francis Drake's ship the Golden Hind on the reverse.
British
Threepence
A small British coin worth three pence, issued first as a tiny silver piece and later as the distinctive 12-sided brass 'threepenny bit' beloved for its unusual shape.
British
Penny
One of the oldest and most iconic British denominations, the pre-decimal penny is famous for its large bronze Britannia design and beloved key dates like the 1933 penny.
British
Sixpence
A small British silver coin worth half a shilling, affectionately nicknamed the 'tanner,' beloved for its traditional role tucked into Christmas puddings.
British
Maundy Threepence
The third denomination of the Royal Maundy set, a small silver threepence given out in the monarch's annual pre-Easter alms ceremony, distinct from Britain's separate everyday circulating threepence.
British
Maundy Fourpence
The largest of the four Royal Maundy coins, a small silver fourpence descended in value from the medieval groat, struck annually for the monarch's ceremonial Maundy Thursday alms distribution.
British
Third Farthing
An extremely small denomination worth one-twelfth of a penny, struck mainly to serve the currency needs of the British colony of Malta across the nineteenth and early twentieth centuries.
British
Twenty Pence
A seven-sided UK coin introduced in 1982 to fill a gap between the ten pence and fifty pence denominations.
British
British Crown
Valued at five shillings, the British crown is a large silver (and later cupro-nickel) coin with a production history stretching from Tudor England to modern commemorative issues.
British
Joachimsthaler
Struck beginning in 1520 in the Bohemian silver-mining town of Joachimsthal, this large silver coin gave its name, shortened to 'thaler' and later 'dollar,' to countless currencies around the world.
European
Celtic Gold Stater
Iron Age gold coins struck by Celtic tribes across Gaul and Britain, evolving from close imitations of Macedonian staters into strikingly abstract, stylized designs.
Ancient
Eukratides I Gold Stater (Baktria)
A gold stater of Eukratides I, the powerful Greco-Bactrian king best known for issuing the largest gold coin surviving from antiquity, depicting the divine twins Dioskouroi on horseback.
Ancient
Galerius Follis
Reform-era bronze follis of Galerius, Caesar and later Augustus of the eastern Tetrarchy, remembered for early persecution of Christians and his later Edict of Toleration issued just before his death.
Ancient
Licinius Follis
Bronze follis of Licinius, the last rival emperor to challenge Constantine the Great before his defeat and the reunification of the Roman Empire under Constantinian rule in 324 AD.
Ancient
Maximian Follis
Large bronze follis of Maximian, co-Augustus with Diocletian who ruled the western half of the empire as part of the Tetrarchy and shared the same reformed coinage design.
Ancient
Valerian Antoninianus
Radiate coin of Valerian, the only Roman emperor ever captured alive by a foreign enemy, taken prisoner by the Sassanid king Shapur I in 260 AD.
Ancient
Carthage Zeugitania Electrum Stater
A gold-silver electrum coin struck by Carthage, chiefly to fund its wars in Sicily, showing a wreathed female head and a horse or horse's head.
Ancient
Constantius I Chlorus Follis
Reform-era bronze follis of Constantius I Chlorus, Caesar and later Augustus of the western Tetrarchy, remembered chiefly as the father of Constantine the Great.
Ancient
Diocletian Follis
Large bronze follis of Diocletian, whose sweeping reforms ended the Crisis of the Third Century, established the Tetrarchy, and introduced this new standardized coin denomination in 294 AD.
Ancient
Gallienus Antoninianus
Radiate coin of Gallienus, who ruled through the depths of the Crisis of the Third Century and is especially known for a colorful late-reign series of animal and mythological reverse types.
Ancient
Trajan Decius Antoninianus
Radiate coin of Trajan Decius, remembered for his empire-wide persecution of Christians and his death in battle against the Goths, and for a famous series honoring deified past emperors.
Ancient
Severus Alexander Denarius
Silver denarius of the teenage emperor Severus Alexander, last ruler of the Severan dynasty, whose reign closed with growing military unrest before his murder in 235 AD.
Ancient
Philip the Arab Antoninianus
Radiate coin of Philip the Arab, notable for celebrating Rome's 1,000th anniversary in 248 AD with a memorable series of animal-themed 'Saecular Games' reverse types.
Ancient