Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

Australian Holey Dollar and Dump
In 1813, colonial authorities in New South Wales punched the centers out of Spanish silver dollars to create two coins from one, easing a severe coin shortage while preventing the silver from leaving the colony.
Africa & Oceania
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
Caracalla Antoninianus
The first antoninianus coins, introduced by Caracalla in 215 AD as a debased double-denarius identified by the emperor's radiate crown.
Ancient
Norwegian Speciedaler
Norway's principal silver coin from the establishment of its independent currency in 1816 until the krone reform of the 1870s.
European
Italian Scudo (Papal States)
A large silver coin issued by the Papal States under successive popes, blending religious imagery with the temporal authority of the papacy.
European
Parthian Silver Drachm
Long-running silver coin of the Parthian Empire, showing the king's portrait on the obverse and the dynasty's founder as a seated archer on the reverse.
Ancient
Decimal New Penny
The UK's smallest decimal coin, introduced on Decimal Day, 15 February 1971, inscribed "NEW PENNY" until 1982.
British
Republican Quinarius
A half-denarius silver coin of the Roman Republic, often depicting the twin gods Castor and Pollux (the Dioscuri) riding on horseback.
Ancient
American Palladium Eagle
The United States Mint's palladium bullion coin, introduced in 2017 and based on Adolph Weinman's classic Winged Liberty and eagle designs.
Bullion
Australian Gold Kangaroo
Australia's flagship gold bullion coin, first struck as the Gold Nugget before adopting a yearly-changing kangaroo design in 1989.
Bullion
Mexican Gold Libertad
Mexico's premier gold bullion coin, featuring the iconic Angel of Independence, produced without a fixed monetary denomination since 1981.
Bullion
Austrian Florin (Gulden)
The main silver coin of Austria-Hungary in the second half of the 19th century, used until the krone replaced it in the 1892 monetary reform.
European
Constantine the Great Follis
A bronze coin of Constantine the Great, the emperor who legalized Christianity and founded Constantinople, struck at numerous mints across a transforming empire.
Ancient
Australian Platinum Koala
Australia's platinum bullion coin from the Perth Mint, first struck in 1988 with a koala design that changes nearly every year.
Bullion
Isle of Man Noble (Platinum)
The world's first modern platinum bullion coin, struck for the Isle of Man government by Pobjoy Mint, featuring a Viking longship reverse.
Bullion
Anglo-Saxon Silver Sceat
Small, thick early Anglo-Saxon silver coin with enigmatic pagan and Christian imagery, the direct forerunner of the later English penny.
British
Ostrogothic Silver Quarter Siliqua
Small silver coin struck by the Ostrogothic kings of Italy in the name of the reigning Byzantine emperor, bearing the Gothic king's monogram on the reverse.
European
French 40 Francs Gold (Napoleon)
An early gold coin of Napoleon Bonaparte as First Consul and later Emperor, struck under France's new decimal franc system.
European
French 100 Francs Gold (Angel/Genius)
A large French gold coin of the Third Republic featuring an allegorical winged genius writing the constitution, often called the 'Angel' by collectors.
European
French Franc Germinal
Not a single coin but the bimetallic monetary standard fixed by Napoleon's 1803 law, defining the franc's silver and gold content for over a century.
European
Draped Bust Half Cent
An early U.S. copper coin depicting a draped bust of Liberty, struck for everyday small change in the first decade of the 19th century.
United States
Austrian Gold Philharmonic
Austria's popular gold bullion coin honoring the Vienna Philharmonic Orchestra, featuring the Musikverein's Great Organ and an array of orchestral instruments.
Bullion
Byzantine Gold Histamenon Nomisma
A distinctive concave (cup-shaped) Byzantine gold coin introduced in the 10th century as the full-weight companion to the flat tetarteron nomisma.
Ancient
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