Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Bavaria 3 Mark
A silver 3 Mark tied to Bavaria, pairing the crowned Bavarian shield with its rampant lion against a German imperial eagle, dated 1925.
Circulation
German 20 Mark Gold
German Empire gold 20 mark of Prussia, with Kaiser Wilhelm I's bust and the imperial eagle; a small .900 gold coin from the pre-WWI Goldmark era.
Bullion/gold
Sachsen-Weimar-Eisenach 5 Mark Wedding Commemorative
A silver German Empire 5 Mark of Sachsen-Weimar-Eisenach struck to mark a grand-ducal wedding, showing conjoined bride-and-groom profile busts.
Commemorative
Charles II Twopence
A small milled twopence of Charles II, showing the king's profile bust on the obverse and a crowned mark of value on the reverse.
Milled
5 Kopecks (Catherine II)
Large copper 5 Kopecks of Catherine the Great, dated 1790 with the EM mint mark, showing a crowned monogram and the imperial double-headed eagle.
Early Modern
Half Centenionalis of Constans or Constantius II
A small mid-4th-century Roman bronze attributed to Constans or Constantius II, sons of Constantine the Great, worn but identifiable by its imperial portrait and era.
Ancient
Half Crown of William III and Mary II
A milled silver half crown of the joint reign of William III and Mary II, showing their conjoined busts and a crowned heraldic shield, dated 1691.
Milled
Byzantine Nummus of Tiberius Constantine
A small bronze coin of Byzantine emperor Tiberius II Constantine (AD 578-582), with an imperial portrait or inscription and a mark of value or monogram.
Ancient
Reis (Peninsular War)
A 1910 Portuguese silver Reis struck under King Manuel II to mark the centenary of the Peninsular War, dated 1808-1814 across the king's bust.
Modern
Byzantine Follis
Large bronze follis of the Byzantine Empire, this example under Constans II (from 641 AD), with an imperial portrait and a big M value mark topped by a cross.
Medieval
Irish Gun Money Halfcrown (30 Pence)
Emergency base-metal halfcrown struck for James II in Ireland during 1689–1690, valued at 30 pence and carrying his portrait and, on many issues, the month of striking.
Emergency Coinage
Philip II Gold Half Stater
Gold half stater of Philip II of Macedon, c. 359-336 BC, showing the head of Heracles and an eagle perched on a thunderbolt.
Ancient
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
Solidus of Constantius II
Late Roman gold solidus of Emperor Constantius II (337-361 AD), showing his diademed bust facing right paired with a seated-figure reverse.
Ancient Coins
Mark Antony Legionary Denarius
Silver denarius struck by Mark Antony in 32-31 BC to pay his army and fleet; reverse aquila between two standards, this example countermarked IMP VES.
Ancient
Maundy Money Threepence
A tiny sterling-silver British threepence; the 1687 James II example shows a crowned bust and a crowned Roman numeral III on the reverse.
Maundy
Antoninianus of Gordian III
Silver double-denarius of the young emperor Gordian III (238-244 AD), marked by his radiate crown and a standing deity on the reverse.
Ancient
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
Sachsen-Weimar-Eisenach 5 Mark Commemorative
An 1908 German Empire 5 Mark silver commemorative of Saxe-Weimar-Eisenach marking the University of Jena's jubilee, with the founder's capped portrait.
Commemorative
Maundy Three Pence
A tiny sterling-silver threepence tied to Britain's Royal Maundy tradition; the photographed 1687 coin shows James II's bust and a crowned Roman numeral III.
Maundy
Brutus & Plaetorius Denarius
The silver EID MAR denarius: M. Junius Brutus on the obverse, a Phrygian cap between two daggers and EID MAR on the reverse, struck 42 BC.
Ancient
Tymf
A debased Polish silver coin of 1663 tariffed at 30 groszy, famous for a Latin motto declaring the state's safety worth more than the metal.
Early Modern
Three Cent Nickel
A small copper-nickel three-cent coin with a Liberty head obverse and a Roman numeral III inside a wreath; struck at Philadelphia from 1865 to 1889.
Three Cent
Bermuda Crown
Bermuda's 1959 silver Crown: Queen Elizabeth II in profile on the obverse, two sailing ships above the island group on the reverse.
Commemorative