Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Centenionalis of Constans
A mid-4th-century Roman bronze of Constans bearing the FEL TEMP REPARATIO reform reverse, showing a soldier lifting a small captive from a hut.
Ancient
Penny of Aethelred II
Anglo-Saxon silver penny of King Aethelred II showing his diademed bust facing left and a cross with pellets and ornament on the reverse.
Medieval Coins
Miliarense of Leo I
Eastern Roman silver miliarensis of Leo I (AD 457-474), showing his diademed bust and a standing military figure with spear and shield.
Ancient
Carver-Washington Half Dollar
A U.S. silver commemorative half dollar (1951–1954) honoring George Washington Carver and Booker T. Washington, with their jugate profiles on the obverse.
Classic Commemorative
Atilia Denarius
Roman Republican silver denarius struck by a moneyer of the gens Atilia, with a helmeted head on the obverse and a deity or figure with the family name on the reverse.
Ancient
Israel 10 Lirot
Israel's 1968 silver 10 Lirot, struck for the 20th anniversary of independence, pairing a menorah emblem with a view of Jerusalem.
World
Denarius of Cn. Pompeius Magnus
Silver Roman Republican denarius of the Pompeian party (46–45 BC), with a bearded portrait of Pompey the Great and a galley reverse reading PRO COS.
Ancient
Philippines 20 Centavos
A small wartime silver 20 centavos of the Commonwealth-era Philippines: a standing Liberty figure and Mayon volcano, with an eagle over a shield on the reverse.
Southeast Asia
Samanid Dirham
A hand-struck silver dirham of the Samanid dynasty, covered on both sides in Arabic Kufic script naming God, the caliph and the mint — no images at all.
Islamic (Medieval)
Prussian Taler
A large silver taler of the Kingdom of Prussia showing the crowned profile of Frederick II and a heraldic coat of arms, struck through the mid-to-late 1700s.
German States
Macedonian Silver Tetradrachm
Large silver tetradrachm of ancient Macedon in the Alexander type, c. 188-170 BC, with the head of Heracles in a lion skin and Zeus enthroned holding an eagle.
Ancient
Thailand One Baht Commemorative
A 1961 Thai one-baht commemorative bearing the conjoined profiles of King Rama IX and Queen Sirikit, paired with the Thai royal arms on the reverse.
Southeast Asia
Pahlavi Reign Gold Medal
A gold medal of Pahlavi-era Iran, its obverse a left-facing royal portrait and its reverse the Lion and Sun beneath a crown, dated 1971.
Persia / Iran
Denarius of M. Sanquinius
A silver denarius struck at Rome in 17 BC by the moneyer M. Sanquinius under Augustus, tied to the Secular Games, with a male portrait and a standing herald.
Ancient
Penny of Cnut
Anglo-Saxon silver penny of King Cnut (Canute), showing a diademed bust facing left with a cross-and-pellets reverse, struck c.1024-1030.
Medieval Coins
Aureus 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 Coins
Schaummünze 4 Thaler
A silver Schaummünze struck to a 4-Thaler weight, dated 1666, with elaborate heraldic and figural imagery referencing August der Jüngere.
Medal
Denarius of Cassius Longinus
Silver denarius struck in 42 BC by Gaius Cassius Longinus, one of Caesar's assassins, to pay his legions before the Battle of Philippi.
Ancient
1 Euro (10 Years EMU)
Dutch bi-metallic 1 Euro marking ten years of Economic and Monetary Union, with a stylized integration design and the twin dates 1999 and 2009.
Commemorative
Penny of William I
Hammered silver penny of William the Conqueror, the example showing a profile portrait of the king and a decorated cross reverse, struck circa 1075.
Medieval Coins
Kopek (Peter I)
An early copper kopek of Peter the Great, showing a profile of Peter I and Cyrillic legends on one side and the Russian double-headed eagle on the other.
Early Modern
White Mountain Quarter
2013 America the Beautiful quarter for White Mountain National Forest (NH), showing Mount Chocorua and birch trees over Chocorua Lake.
Quarter
Hoxne Hoard Siliqua
A small late-Roman silver siliqua of the type found in Britain's Hoxne Hoard, with an imperial portrait and a standing figure or personified virtue.
Ancient
Ecu of Louis XIV
A large silver crown of Louis XIV, the Sun King, showing his laureate or wigged bust facing left and a crowned French shield of fleur-de-lis, dated 1693.
Royal