Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Antoninianus of Caracalla
The antoninianus introduced by Caracalla around AD 215, a radiate-crowned double denarius in debased silver that reshaped Roman coinage.
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.
WorldGold Chervonets
Soviet gold coin of 1923 worth one chervonets (10 rubles), showing a peasant sowing before a rising sun and factories, with the Soviet state emblem.
World2 Soldi
A small base-metal coin of the Republic of Genoa worth two soldi, typically showing a heraldic lion and a fortified castle gateway.
Early ModernIndian Head Quarter Eagle
U.S. $2.50 gold coin of 1908–1929 with a sunken (incuse) design: an Indian in a feathered war bonnet on the obverse and a standing eagle reverse.
Quarter EagleIsle of Man Noble
The Isle of Man Noble: the world's first platinum bullion coin, pairing a crowned Queen Elizabeth II with a Viking longship reverse.
BullionGhana 20 Pesewas
A one-year 1967 Ghanaian coin bearing a national eagle and the motto FREEDOM AND JUSTICE, with the country's coat-of-arms shield on the reverse.
WorldCambodia One Franc
A mid-20th-century one-franc coin of the Kingdom of Cambodia, its obverse bearing a royal Norodom profile and its reverse a heraldic coat of arms.
Southeast AsiaLiberty Head Quarter Eagle
U.S. $2.50 gold coin struck 1840–1907, with a coronet-crowned Liberty head obverse and a shield-breasted eagle reverse marked "2½ D."
Quarter EagleHalf Guinea of George II
A small British gold coin of the reign of George II, worth half a guinea, with the king's left-facing bust and a crowned heraldic shield reverse.
MilledCharles 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.
HammeredStyca of Aethelred
Small base-metal coin of the Anglo-Saxon kingdom of Northumbria, naming King Aethelred, with a central device and legend on one face and a cross on the other.
Medieval CoinsOttoman Manghir
The manghir was the small copper coin of the Ottoman Empire, used for everyday change; this example bears a tughra and dates to the reign of Murad II.
Medieval IslamicKiautschou 5 Cents
A 1909 nickel 5 Cent coin of the German-leased Kiautschou Bay territory in China, pairing Chinese characters with the German imperial eagle.
ColonialAntoninianus
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 CoinsJulius Caesar Denarius
Silver Roman denarius of 44 BC bearing the bareheaded portrait of Julius Caesar, among the first Roman coins to show a living statesman's likeness.
Ancient10 Markka
Finland's largest circulating markka coin: a bimetallic 10 markkaa with a capercaillie bird on the obverse, struck 1993–2001 until the euro.
World1 Grosz
A small 1949 Polish one-grosz coin bearing the crownless national eagle and RZECZPOSPOLITA POLSKA, with the value 1 GROSZ framed by grain on the reverse.
ModernFrance 20 Centimes
A small gold-colored French Fifth Republic coin showing Marianne in profile, worth one-fifth of a franc, struck for four decades before the euro.
CirculationHalf Groat of Henry VIII
A small hammered English silver coin worth twopence, struck across the reign of Henry VIII and bearing his crowned facing bust.
HammeredAureus of Faustina II
Roman imperial gold coin with the draped bust of Faustina II, daughter of Antoninus Pius and wife of Marcus Aurelius, struck around 147-150 AD.
Ancient CoinsAntoninianus of Aurelian
Late Roman billon coin of Emperor Aurelian, showing his radiate-crowned bust and a standing deity or personification on the reverse.
Ancient CoinsHyderabad One Anna
A copper-nickel 1-anna coin of Hyderabad State under Nizam Osman Ali Khan, with Urdu inscriptions and floral borders, dated AH 1354 (c. 1935).
Princely & Presidency StatesMinnesota State Quarter
2005 U.S. 25-cent coin in the 50 State Quarters series, showing Minnesota's outline, a common loon, anglers in a boat, and pines above 1858.
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