Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Kroisos (Croeseid) Gold Stater of Lydia
A pure gold stater struck under King Croesus of Lydia, part of history's first coinage issued in separate fixed-purity gold and silver denominations.
Ancient
Prussian Vereinsthaler
A standardized silver thaler struck by the Kingdom of Prussia under the 1857 Vienna Monetary Treaty, unifying weight and fineness across many German and Austrian states before German unification.
European
Crown
Large British coin traditionally worth five shillings, historically struck in silver and famed for elaborate designs, now issued mainly as a cupro-nickel commemorative.
British
Guinea
Historic British gold coin named for the West African region that supplied much of its gold, valued at 21 shillings for most of its history and predecessor to the modern sovereign.
British
French Louis d'Or
The Louis d'Or was the principal gold coin of the French monarchy for over 150 years, named after the kings Louis who issued it, and struck until the eve of the Revolution.
European
Italian 10 Lire (Silver)
Kingdom of Italy silver 10 Lire coin, best known for the 1926–1930 'Biga' type showing a two-horse chariot, struck under Vittorio Emanuele III.
European
Prussian Thaler
The Prussian Thaler was the leading silver coin of the powerful Kingdom of Prussia, circulating from the mid-18th century until German unification replaced it with the mark in 1871–1873.
European
Netherlands 2½ Gulden
The largest regularly circulating silver coin of the Kingdom of the Netherlands, popularly nicknamed "rijksdaalder," featuring the reigning monarch's portrait across more than a century of Dutch coinage.
European
Dutch Rijksdaalder
A historic Dutch silver trade coin dating to the Dutch Republic, later continued as a denomination of the Kingdom of the Netherlands.
European
Half Guinea
Smaller companion gold coin to the guinea, worth half its value, struck across the same reigns from Charles II through George III for mid-value transactions.
British
Demetrios Poliorketes Nike Tetradrachm
A Hellenistic silver tetradrachm of Demetrios I of Macedon, celebrated for its obverse image of Nike standing on a ship's prow, commemorating his naval victory at Salamis in Cyprus.
Ancient
Pergamon Cistophoric Tetradrachm
A reduced-weight Hellenistic silver coin introduced by the Attalid kings of Pergamon, named for the sacred cista mystica chest depicted on the obverse and later adopted throughout Roman Asia.
Ancient
Lysimachos Tetradrachm (Alexander/Athena)
A silver tetradrachm struck by King Lysimachos, one of Alexander the Great's successors, showing the deified Alexander with a ram's horn and a seated Athena on the reverse.
Ancient
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
Viking Silver Penny of York
Silver penny struck by Norse rulers of the Viking Kingdom of York, blending Christian and pagan imagery such as crosses, swords, and Thor's hammers.
British
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
Netherlands Rijksdaalder Gulden
The 2.5 guilder coin of the Kingdom of the Netherlands, carrying forward the historic rijksdaalder name through the monarchy era until the euro's adoption.
European
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
Saudi Arabian Riyal (silver)
The standardized silver riyal introduced by King Abdulaziz to unify the currency of the newly formed Kingdom of Saudi Arabia, featuring Arabic inscriptions and national emblems without a ruler's portrait.
Asian
Dutch Ducat
A small, nearly pure gold coin showing an armored knight, minted for centuries by the Dutch provinces and later the Kingdom of the Netherlands as a trusted international trade 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
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
Isle of Man Gold Angel
A long-running gold bullion coin from the Isle of Man featuring the Archangel Michael slaying a dragon, struck by the private Pobjoy Mint since 1984.
Bullion
Belgian 5 Francs
A large silver crown of the newly independent Kingdom of Belgium, bearing the portrait of Leopold I or Leopold II and the national coat of arms, a flagship coin of the young nation's currency.
European