Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Solidus of Valentinian I
The gold solidus of Valentinian I (AD 364-375), a pure-gold coin bearing his pearl-diademed profile that anchored the late Roman monetary system.
Ancient
Napoleon III 20 Francs
French gold 20 francs of Emperor Napoleon III, showing his bare head facing right and a wreathed value on the reverse; example dated 1857.
World Coins
Mercury Dime Centennial Gold
A 2016-W gold collector coin marking the centennial of the 1916 Mercury dime, struck in 1/10 oz of 24-karat gold at West Point.
Dime
France 1 Euro
France's bimetallic 1 euro coin, with a stylized leafy tree inside a hexagon on the national side and the euro value with a map of Europe on the common side.
Euro
Aureus of A. Manlius Vulso
A rare late-Republican Roman gold aureus of the moneyer A. Manlius Vulso, c. 80 BC, showing a capped head and a horseman carrying a military ensign.
Ancient
Halve Rijksdaalder van Leicester
Silver half rijksdaalder of the Leicester type, struck in the rebelling Dutch provinces, showing an armored bust and a split provincial shield.
Early Modern
Medieval Halfgroat of Henry VII
Hammered silver twopence of England's first Tudor king, with a crowned royal portrait and a long-cross reverse over a shield.
British Isles
India 10 Rupees Commemorative
Bi-metallic Indian 10-rupee commemorative honoring Maharana Pratap, shown in armor with a sword and Devanagari inscription, dated 2015.
Modern India
Solidus of Valentinian II
A late Roman gold solidus struck for Valentinian II, showing his diademed profile with the obverse legend D N VALENTINIANVS, from the 380s AD.
Ancient
Gold Guinea
English gold coin of the Guinea denomination; the example shown bears the right-facing bust of Charles II with a crowned cruciform shield reverse dated 1668.
World Coins
Keicho Koban
A thin oval Japanese gold coin worth one ryo, its surface covered in fine parallel striations with stamped cartouches and Goto mint marks.
Historic
Antoninianus of Valerian II
Roman radiate coin of Valerian II, the young Caesar (c. 253-260 AD), showing his spiked crown and a standing figure on the reverse.
Ancient
Ancient Greek Didrachm
An ancient Greek silver didrachm worth two drachms, here with a bearded male head and a horse-and-rider reverse in the tradition of Magna Graecia.
Ancient
Medieval Silver Cut Farthing
A quarter of a medieval silver penny, physically cut along the reverse cross to make small change before round farthings became common.
British Isles
Gold Sovereign
The British gold sovereign: a one-pound gold coin. This 1817 George III example shows a laureate bust and a crowned heraldic shield of the royal arms.
World
Roman Sestertius (Uncertain Emperor)
A large Roman imperial sestertius in bronze or orichalcum, heavily patinated with a bearded emperor's portrait and a reverse too worn to identify.
Ancient
Tetradrachm of Ptolemy VIII
Silver tetradrachm of Ptolemy VIII of Egypt, c. 170-116 BC, with a diademed royal head on the obverse and an eagle on a thunderbolt reverse.
Ancient
Miliarense of Valentinian I
A late Roman silver miliarensis of Valentinian I (AD 364-375), with a pearl-diademed imperial portrait and an armed standing figure holding spear and shield.
Ancient
Walking Liberty Half Dollar Centennial Gold
A 2016-W gold collector coin marking the centennial of the 1916 Walking Liberty half dollar, struck in 1/2 oz of 24-karat gold at West Point.
Half Dollar
Roman As/Dupondius (Uncertain)
An uncertain Roman bronze As or Dupondius: a double-faced Janus head on one side and a ship (galley/prow) with ROMA below on the other.
Ancient
American Palladium Eagle
The U.S. Mint's one-ounce .9995 fine palladium bullion coin, launched in 2017 with classic Weinman Mercury dime and eagle designs.
Bullion
Miliarensis of Constantius II
A late Roman silver miliarensis of Emperor Constantius II (AD 327–361), showing his diademed portrait and a standing reverse figure.
Ancient
2 Koruny
A circulating Czech Republic coin introduced in 1993, known by its eleven-sided shape, the Czech heraldic lion, and a Great Moravian jewel motif beside 2 Kč.
Modern
Tanzania 100 Shillings
A golden brass Tanzanian coin worth 100 shillings, showing a lively scene of running antelope with the Swahili legend SHILINGI MIA MOJA.
World