Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
German Prussia 20 Mark Gold
The standard gold coin of Prussia within the newly unified German Empire, featuring successive Prussian kings and forming a key part of the empire's gold mark system.
European
Austrian 20 Corona Gold
A compact gold coin of the Austro-Hungarian Empire depicting Emperor Franz Joseph I, widely available today as an accessible historic gold piece.
European
1883 With Cents Liberty Head Nickel
The corrected version of the 1883 Liberty Head Nickel with CENTS added below the wreath, issued later the same year to stop widespread gold-plating fraud tied to the earlier No Cents design.
United States
Venetian Gold Ducat
First struck in 1284, the Venetian gold ducat became medieval Europe's most trusted trade coin, prized for centuries for its unwavering weight and purity.
European
1883 No Cents Liberty Head Nickel
The first-year Liberty Head Nickel design that omitted the word CENTS from the reverse, later infamous as the 'Racketeer Nickel' after being gold-plated and passed off as a five-dollar coin.
United States
Nguyen Dynasty Gold Bar (Vietnam)
Imperial Vietnamese gold ingot from the Nguyen Dynasty, used for treasury reserves, tribute, and high-value transactions rather than everyday commerce.
Asian
Aureus of Augustus
The gold coin of Rome's first emperor, Augustus, who standardized the aureus at roughly 1/40 of a Roman pound and set the gold standard for the empire.
Ancient
Visigothic Gold Tremissis
Small gold coin of the Visigothic kings of Spain, evolving from crude imitations of Roman/Byzantine coinage into the first distinctly national royal coinage of post-Roman Western Europe.
European
Swiss 10 Francs Gold Vreneli
The smallest denomination of Switzerland's iconic "Vreneli" gold series, featuring a Swiss maiden's profile, prized by collectors and gold buyers alike for its classic design and modest size.
European
Swiss 20 Francs Gold Vreneli
Switzerland's beloved gold 20-franc coin, nicknamed "Vreneli" after the young woman on its obverse, prized worldwide as an approachable and historically rich gold bullion and collector coin.
European
Aureus of Nero
The gold coin of Emperor Nero, whose AD 64 monetary reform reduced the aureus's weight standard alongside similar changes to the silver denarius.
Ancient
Byzantine Solidus
The gold standard coin of the Byzantine Empire for over 700 years, the solidus funded an empire, financed trade across three continents, and remained one of history's most stable currencies.
Ancient
Italian 20 Lire Gold (Vittorio Emanuele)
The Kingdom of Italy's standard 20 lire gold coin, issued under kings including Vittorio Emanuele II, sharing the Latin Monetary Union's gold specifications with coins like the French Napoleon.
European
Theodosius I Solidus
A gold solidus of Theodosius I, the last emperor to rule a united Roman Empire and the ruler who made Nicene Christianity the state religion.
Ancient
Somali Elephant Gold
The gold version of Somalia's popular African Wildlife elephant coin series, produced by the Bavarian State Mint with a design refreshed nearly every year.
Bullion
Netherlands 5 Gulden Gold
A gold 5 gulden coin struck intermittently by the Kingdom of the Netherlands, first under King William I in the 1820s and later as a rare 1912 commemorative under Queen Wilhelmina.
European
Half Crown Gold
A small gold coin worth half a gold crown, struck from the reign of Henry VIII through the English Civil War, distinct from the far more familiar silver half crown that circulated for centuries afterward.
British
Vespasian Denarius
The silver coin of Emperor Vespasian, founder of the Flavian dynasty, notably including the famous 'Judaea Capta' series commemorating Rome's suppression of the Jewish revolt.
Ancient
Valentinian I Solidus
A high-purity gold solidus of Valentinian I, founder of the Valentinianic dynasty, reflecting the stable gold standard established under Constantine.
Ancient
Panama-Pacific $50 Gold (Round)
A massive round commemorative gold piece struck for the 1915 Panama-Pacific International Exposition, one of the rarest and most valuable U.S. commemorative coins ever issued.
Commemorative
Egyptian Qirsh (Muhammad Ali Era)
Silver-billon piastre struck in Egypt under Muhammad Ali Pasha in the name of the Ottoman Sultan, reflecting Egypt's growing autonomy within the empire.
Africa & Oceania
Austrian 4 Ducat Gold
The Austrian 4 Ducat is a large, high-purity gold coin historically used for trade and hoarding, best known today through the officially restruck 1915-dated pieces still produced for the bullion market.
European
British Gold Guinea
Struck from 1663 to 1814 and named for the West African gold used in its earliest issues, the guinea was Britain's leading gold coin and gave its name to a unit of value still referenced today.
British
Venetian Ducat
Gold coin first struck by the Republic of Venice in 1284, prized for its remarkably consistent weight and purity, which made it a dominant trade coin across medieval and Renaissance Europe.
European