Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Liberty Head Double Eagle
U.S. $20 gold coin struck 1850–1907, showing a coroneted Liberty head left and a heraldic eagle with shield; the 1869 is a with-motto Type 2.
Double EagleTwenty Cent Piece
A short-lived U.S. silver coin worth twenty cents, showing a seated Liberty and a soaring eagle, struck only from 1875 to 1878.
Twenty CentCharles I Twenty Pence
A small hammered silver twenty-pence coin of Charles I, showing his crowned profile and a heraldic reverse with rose and thistle badges.
HammeredPaquet Double Eagle
An 1861 U.S. $20 gold piece with the standard Liberty Head obverse paired with Anthony Paquet's rare tall-letter reverse variety.
Gold Type CoinSaint-Gaudens Double Eagle
United States $20 gold coin (1907–1933) designed by Augustus Saint-Gaudens, showing a striding Liberty with torch and olive branch before a radiant sun.
Gold Type CoinUltra High Relief Double Eagle
Augustus Saint-Gaudens' 1907 $20 gold pattern struck in sculptural ultra high relief, with striding Liberty and a soaring eagle.
Gold Type CoinSacagawea 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.
DollarBritish Trade Dollar
British silver trade dollar for Far East commerce, with seated Britannia holding a trident and shield and a Chinese dragon reverse.
DollarDenarius of Didius Julianus
A silver denarius of Didius Julianus, the short-lived emperor of 193 AD, bearing his laureate portrait and an imperial standing reverse.
AncientHong Kong Trade Dollar
A large silver British Trade Dollar with standing Britannia on the obverse and a Chinese dragon reverse, made for commerce across the Far East.
CirculationAntoninianus of Laelianus
Rare billon antoninianus of the short-lived Gallic usurper Laelianus, showing his radiate-crowned bust and a Roman deity or personified virtue.
Ancient CoinsCounterstamped 2 Reales
A Spanish silver 2 reales dated 1803 that was later punched with a WR-and-crown counterstamp, giving it a second, borrowed life as legal tender.
ColonialCounterstamped 8 Reales
A Charles IV silver 8 reales later punched with counterstamps and pierced with a central hole, layering a second life onto the classic Spanish dollar.
ColonialWarring States Knife Coin
A cast bronze knife coin (dao bi) of China's Warring States period, shaped like a small blade with a ringed handle and cast inscriptions.
AncientAntoninianus 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.
Ancient1 Penni
Finland's smallest post-1963 coin: a tiny light base-metal piece with a bold numeral 1 and SUOMI on the front and a geometric line pattern on the back.
WorldQian 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 Coin1 Gulden (Silver)
Silver 1 Gulden of the Free City of Danzig, dated 1923, carrying the city's coat of arms and its own short-lived currency between the World Wars.
ModernDirham of Qirwash ibn al-Muqallad
Silver dirham struck under the Uqaylid amir Qirwash ibn al-Muqallad of Mosul, dated 393 AH (1003 CE), with three-line Arabic legends.
Medieval IslamicChu State Ant-Nose Coin
A small cast bronze cowrie-shaped coin of the Chu state, bearing a face-like Chinese inscription in relief, nicknamed ant-nose or ghost-face money.
Ancient500 Yen Bicolor Clad
Japan's large two-tone 500 yen circulation coin, with a floral blossom design and pearl-like beading on one face and bold value numerals on the other.
CirculationIndian Head Cent
Classic U.S. one-cent piece struck 1859–1909, showing Liberty in a feathered headdress; later dates like 1909 are bronze with an oak-wreath-and-shield reverse.
Small CentBanda Singh Bahadur Sikh Rupee
A hand-struck silver rupee of the early Sikh Khalsa, issued in the name of the Sikh Gurus during Banda Singh Bahadur's short-lived sovereignty, dated Khalsa Era Year 2.
AsianTetradrachm 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