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

1893-S Morgan Dollar
The undisputed key date of the Morgan dollar series, struck at San Francisco with the lowest mintage of any regular-issue Morgan, roughly 100,000 coins.
United States
Marcus Aurelius Denarius
The silver coin of the philosopher-emperor Marcus Aurelius, struck during years of war and plague, reflecting a reign celebrated for its Stoic ideals amid crisis.
Ancient
Nero Sestertius
A large bronze/brass coin of Nero widely admired for exceptional artistry, including famous reverse scenes of the Port of Ostia and the closed Temple of Janus.
Ancient
1877 Indian Head Cent
The premier key date of the Indian Head cent series, struck in unusually low numbers during a mid-1870s economic downturn.
United States
1950-D Jefferson Nickel
The lowest-mintage business-strike Jefferson Nickel of the entire series, widely hoarded in rolls even as it was released, earning it the nickname the 'King of Jefferson Nickels.'
United States
Peru 8 Reales (Lima Mint)
The flagship silver dollar-size coin of colonial and early republican Peru, struck at the historic Lima mint from cob and pillar types through crowned-shield busts.
Latin American
Corinthian Pegasus Stater
A widely circulated ancient Greek silver coin from Corinth, featuring the winged horse Pegasus on the obverse and a helmeted head of Athena on the reverse.
Ancient
Hadrian Denarius
The silver coin of Emperor Hadrian, famous for its extensive 'travel series' honoring the provinces he visited during his unusually extensive tours of the empire.
Ancient
Qatar and Dubai Riyal
A short-lived joint currency issued for Qatar and Dubai between 1966 and 1973, created to replace the Gulf Rupee and used until each formed its own separate national currency.
Asian
Spanish Colonial Cob (Macuquina)
Crude, irregularly shaped hand-struck coins produced at Spanish colonial mints in the Americas for over two centuries, forming the basis of the famous 'pieces of eight' that circulated worldwide.
Latin American
French Ecu (Louis d'Argent)
France's principal large silver coin of the pre-revolutionary era, bearing the reigning king's portrait, used as the standard silver crown-sized coin for over a century before decimalization.
European
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
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
Seljuk Copper Fals
Base-metal copper coin of everyday commerce in the Seljuk Turkish world, notable for unusually rich figural imagery such as lions, suns, and double-headed eagles.
Asian
Severus Alexander Denarius
Silver denarius of the teenage emperor Severus Alexander, last ruler of the Severan dynasty, whose reign closed with growing military unrest before his murder in 235 AD.
Ancient
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
Zanzibar Riyal
Silver riyal issued by the Sultanate of Zanzibar under Sultan Barghash bin Said, designed to circulate alongside the widely trusted Maria Theresa thaler in East African trade.
Africa & Oceania
Russian Ruble (Imperial)
The principal silver coin of the Russian Empire, struck for over two centuries and bearing the portraits of successive tsars and the imperial double-headed eagle.
European
Nuremberg Thaler
Silver taler struck by the free imperial city of Nuremberg, often showing a detailed cityscape view rather than a ruler's portrait, reflecting its status as a self-governing trading city.
European
Sun Yat-sen Memorial Dollar (Junk Dollar)
A Republic of China silver dollar honoring founding father Sun Yat-sen, nicknamed the junk dollar for its reverse image of a traditional Chinese sailing ship, a widely collected 1930s Chinese coin.
Asian
Bremen Thaler
A silver thaler of the free Hanseatic city of Bremen, typically featuring the city's key emblem, issued for centuries as an independent trading city's own coinage.
European
German Hamburg Ducat
A small, exceptionally high-purity gold trade coin struck for centuries by the free city of Hamburg, prized for its consistent fineness and long production history.
European
Metapontum Barley Ear Stater
A silver stater from the Greek colony of Metapontum in southern Italy, celebrated for its elegant ear-of-barley design symbolizing the city's agricultural wealth.
Ancient
Omani Rial (Baisa Coinage)
Decimal currency of Oman introduced in 1970, dividing the rial into 1,000 baisa and typically featuring the Sultan's portrait and the national khanjar emblem.
Asian