Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Kai Yuan Tong Bao
A Tang-dynasty Chinese bronze cash coin with the four seal-script characters Kai Yuan Tong Bao around a central square hole.
Cash CoinRoman 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.
AncientSwedish Gold Commemorative
An early-20th-century Swedish gold coin showing a right-facing royal profile with the legend SVERIGES KONUNG and the fatherland motto.
CommemorativeMacao 100 Patacas Return to China Commemorative
A 1999 Macao 100 patacas commemorative marking the return to China: a Portuguese ship with a gold center on one side, the Macao coat of arms on the other.
CommemorativeIndia 1 Rupee Commemorative
Copper-nickel Republic of India one rupee showing the Ashoka Lion Capital emblem, with the value and Devanagari legends on the reverse, from the late 20th century.
Modern IndiaPennsylvania State Quarter
1999 U.S. 25-cent piece, second in the 50 State Quarters series, showing the Commonwealth statue, state outline, and a keystone for Pennsylvania.
Quarter5 Yang
A late-Joseon Korean 5 Yang in bronze: a floral, chrysanthemum-and-taegeuk obverse paired with a coiled dragon and ornamental characters on the reverse.
HistoricQuincunx 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.
AncientByzantine Nummus of Tiberius Constantine
A small bronze coin of Byzantine emperor Tiberius II Constantine (AD 578-582), with an imperial portrait or inscription and a mark of value or monogram.
AncientGuangxu 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.
Circulation20 Fillér
An early 20th-century Hungarian 20 fillér, a small base-metal coin showing the crowned Hungarian coat of arms and the FILLÉR minor denomination.
ModernEdward IV Quarter Ryal
Small English medieval gold coin of Edward IV, bearing the crowned royal arms and an ornate radiate cross with a rose-on-sun at its center.
Medieval CoinsGhaznavid Dinar
Gold dinar of the Ghaznavid dynasty (c. 10th–11th century), an epigraphic Islamic coin struck at Ghazna and allied mints in Afghanistan.
Medieval IslamicWu Zhu Cash
A round Han-dynasty bronze cash coin with a central square hole and two seal-script characters, Wu Zhu, naming its weight of five zhu.
Cash CoinAnglo-Saxon Styca
A tiny base-metal coin of the Anglo-Saxon kingdom of Northumbria, struck in the 8th-9th century with a head and inscription on one side and a cross on the other.
Medieval CoinsQian Feng Quan Bao
A round bronze Tang cash coin with a square center hole, cast under Emperor Gaozong in the short-lived Qianfeng era and worth ten ordinary cash.
Cash CoinDaoguang Tongbao
A round Chinese bronze cash coin with a square center hole, cast under the Qing emperor Daoguang; this example bears the Bao Quan mint mark.
Cash CoinStyca 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 CoinsBan Liang
A round bronze cash coin with a square central hole and two seal-script characters reading Ban Liang, from early imperial China.
Ancient20 Soles de Oro
A Peruvian gold 20 soles de oro showing a seated Liberty with crown, torch and radiant sun, part of Peru's mid-20th-century gold coinage.
CirculationArtuqid Bronze Dirham
A 12th-century bronze coin of the Artuqid Turkmen dynasty, struck with Arabic inscriptions inside ornamental borders across eastern Anatolia.
Medieval IslamicIndian 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 StatesQianlong 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 CoinJoachimsthaler (Thaler)
A large early-16th-century Bohemian silver thaler from Joachimsthal, dated 1525; the coin whose name gave rise to the words 'thaler' and 'dollar'.
Early Modern