Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Charles 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.
Hammered
1 Markka
Finland's bimetallic one-markka coin (1993–2001), with a crowned heraldic lion on one face and a large numeral 1 on the other.
World
Paquet 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 Coin
Saint-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 Coin
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
10 Markka
Finland's largest circulating markka coin: a bimetallic 10 markkaa with a capercaillie bird on the obverse, struck 1993–2001 until the euro.
World
Macao 5 Patacas
A distinctive octagonal Macao 5 Patacas circulation coin dated 2007, showing a denomination-marked face and a sailing ship over a harbor scene.
Circulation
Macao Silver Coin (1974)
A 1974 Macau silver coin marking the Macau-Taipa Bridge: a spanning bridge with a Chinese junk below, ringed by REPUBLICA PORTUGUESA and PONTE MACAU-TAIPA.
Circulation
Lincoln Memorial Cent
U.S. one-cent piece struck 1959–2008 with Lincoln's profile and a Memorial reverse; 1982 is the split year between bronze and copper-plated zinc.
Small Cent
Ultra 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 Coin
Macao 1 Pataca
A silver-colored 1 Pataca circulation coin of Macao dated 2007, showing Chinese characters and denomination on one face and a lighthouse-and-harbor scene on the other.
Circulation
Denarius 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.
Ancient
Antoninianus 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 Coins
Counterstamped 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.
Colonial
Counterstamped 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.
Colonial
Warring 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.
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
1 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.
World
Qian 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 Coin
1 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.
Modern
Dirham 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 Islamic
Chu 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.
Ancient
500 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.
Circulation
Indian 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 Cent