Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Byzantine Miliaresion
The main large silver coin of the middle Byzantine Empire, introduced in the 8th century and typically featuring a plain cross on steps, reflecting the era's Iconoclast religious tensions.
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
Mughal Gold Mohur
The premier gold coin of the Mughal Empire, prized for its bold Persian calligraphy, occasional portraiture, and the wealth and artistry of Mughal court culture.
Asian
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
Coronet Large Cent
A large copper cent series featuring Liberty wearing a coronet, produced through the "Matron Head" and "Young Head" phases before the Braided Hair design took over.
United States
Mexican Emperor Maximilian Peso
A silver peso struck during the brief reign of Emperor Maximilian I of Mexico, whose short-lived Second Mexican Empire ended with his execution in 1867.
Latin American
French 5 Francs "Napoleon"
A large silver crown-sized coin bearing the portrait of Napoleon Bonaparte, first as First Consul and later as Emperor, marking France's decimal franc system's early flagship silver denomination.
European
Sassanian Silver Drachm
The standard silver coin of the Sasanian Persian Empire, featuring an elaborately crowned king's portrait and a Zoroastrian fire altar with attendants, struck for over four centuries.
Ancient
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
Sovereign (Ottawa Mint, C Mintmark)
British gold sovereigns struck at the Ottawa branch of the Royal Mint between 1908 and 1919, marked with a small "C," making Canada part of the empire's global sovereign network.
Canadian
Persian Sassanid Silver Drachm
The standard silver coin of the Sasanian Persian Empire, showing an elaborately crowned royal bust and a Zoroastrian fire altar with attendants, struck for over four centuries.
Ancient
Saxon Speciestaler
Full-weight silver taler issued by the Electors and later Kings of Saxony, distinguished from lesser-value "current" talers used for everyday commerce.
European
Spanish 2 Reales Pillar
The Pillar 2 Reales was a fractional Spanish colonial silver coin featuring the famous Pillars of Hercules design, struck at mints across Spanish America and widely used in international trade.
Latin American
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
Seleukos I Nikator Tetradrachm
Silver tetradrachm of Seleukos I Nikator, founder of the Seleucid Empire, often showing elephant and Nike-and-trophy imagery celebrating his eastern campaigns.
Ancient
Reichsthaler
The standard large silver coin of the Holy Roman Empire and its constituent German states from the 16th century onward, whose name is the direct linguistic ancestor of the word 'dollar.'
European
Antiochos Seleucid Tetradrachm
Silver tetradrachm struck for one of several Seleucid kings named Antiochus, featuring a royal portrait obverse and enthroned Apollo reverse typical of the dynasty.
Ancient
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
Vijayanagara Gold Pagoda
A small, thick gold coin of the South Indian Vijayanagara Empire, typically showing Hindu deities or a bull, whose type became so trusted it was widely imitated as the standard South Indian trade "pagoda."
Asian
Austrian Levantine Thaler (Maria Theresa Thaler)
A famous silver trade coin bearing the portrait of Empress Maria Theresa, perpetually dated 1780 and restruck for centuries as a trusted trade currency across the Middle East, Arabia, and East Africa.
European
Spanish 8 Reales Portrait Dollar
The globally trusted "Spanish dollar" bearing a king's portrait, minted across Spain's vast colonial empire and so widely circulated it directly inspired the U.S. dollar sign and denomination.
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
1917 Doubled Die Obverse Lincoln Cent
One of the earliest known doubled die varieties in the Lincoln cent series, showing visible doubling in the date and lettering on an early 20th-century wheat cent.
Errors & Varieties
Portuguese Escudo
Portugal's national currency unit from the 1911 decimal reform, following the fall of the monarchy, until the Euro replaced it in the early 2000s.
European