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
German Empire 20 Mark Gold (Wilhelm II)
The standard gold coin of the German Empire under Kaiser Wilhelm II, struck at multiple state mints and widely collected for its imperial portrait and eagle reverse.
European
German Empire 5 Mark
A large silver crown of Imperial Germany bearing the portrait or arms of individual constituent states, unified under a common eagle reverse after German unification in 1871.
European
German 3 Mark Silver
A large silver coin of Imperial Germany, issued by the various constituent states with distinct rulers' portraits and commemorative designs.
European
Ottoman 20 Kurus
Ottoman silver coin denominated in kuruş, bearing the sultan's ornate calligraphic tughra rather than a portrait, in keeping with Islamic artistic tradition.
World
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
Swiss 20 Franc Vreneli
Switzerland's classic gold franc coin, depicting a young Swiss woman nicknamed Vreneli on the obverse and the Swiss shield on the reverse, a favorite of gold savers for over a century.
European
French 20 Franc Rooster
A French Third Republic gold coin replacing royal and imperial portraits with republican symbolism: Marianne on the obverse and a standing Gallic rooster on the reverse.
European
Mark Antony Legionary Denarius
A widely produced denarius struck by Mark Antony to pay his legions before the Battle of Actium, each type naming a specific Roman legion on the reverse.
Ancient
German 5 Mark Silver (Kaiserreich)
The 5 Mark was the largest circulating silver coin of the German Empire, issued by numerous constituent states and free cities, each with its own portrait or design under a common imperial system.
European
Chilean 20 Pesos Gold
The smallest of Chile's regular gold coin denominations, issued both in an earlier 19th-century gold peso series and later as part of the 1926 condor-themed gold reform.
Latin American
Japanese Meiji Gold 20 Yen
The largest and highest-denomination gold coin of Meiji-era Japan, featuring an imperial dragon design, struck to underpin Japan's modern gold-backed currency system.
Asian
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
German 5 Deutsche Mark Commemoratives
West Germany issued special silver 5 Deutsche Mark coins from the 1950s through the mid-1980s to mark anniversaries, institutions, and notable Germans, alongside its regular circulating 5 DM coin.
Commemorative
1967 Centennial Gold $20 Coin
A gold $20 coin struck to mark the 100th anniversary of Canadian Confederation in 1967, sold mainly to collectors as part of the country's centennial commemorative coinage.
Commemorative
Philippine 20 Centavos (US-Philippines)
A small silver coin from the US administration of the Philippines, showing Liberty striking an anvil before Mount Mayon on the obverse and a heraldic eagle on the reverse.
Asian
French Napoleon 20 Francs Gold
France's standard 19th-century gold coin, first struck under Napoleon I and continued under later rulers and the Republic, giving rise to the enduring nickname "Napoleon" for any 20-franc gold coin.
European
Napoleon 20 Franc Gold Coin
A historic French gold coin first struck under Napoleon Bonaparte in 1803, later issued under successive French governments and long used as a benchmark gold coin across Europe.
European
Spanish 20 Pesetas Gold (Alfonso XII)
Spain's standard gold coin of the Latin Monetary Union era, struck under King Alfonso XII following the restoration of the Spanish monarchy in the 1870s.
European
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
Finnish Markka
Finland's national currency from the era of Russian imperial rule until the adoption of the euro, issued in a range of coin denominations reflecting the country's changing political history.
European
1922 No D Lincoln Cent
A famous Lincoln cent error from Denver where a worn or clogged die produced cents lacking the D mint mark, since Denver was the sole mint striking cents that year.
Errors & Varieties
Brazilian 20000 Reis Gold
The highest-value gold coin of the Empire of Brazil, struck intermittently under Emperor Pedro II to support the country's monetary reserves and international trade.
Latin American
Brutus EID MAR Denarius
One of the most famous coins in existence, issued by Julius Caesar's assassin Brutus to commemorate the Ides of March, showing two daggers flanking a cap of liberty.
Ancient