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

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
Spanish 8 Reales (Piece of Eight)
The legendary 'piece of eight,' Spain's silver dollar-sized coin that became the world's first truly global currency and the direct ancestor of the U.S. dollar.
World
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
Chinese Auto Dollar (Kweichow, 1928)
Famous Chinese provincial silver dollar depicting an automobile, struck in Kweichow province in 1928 and celebrated by collectors as one of the most distinctive Chinese coin designs.
Asian
Augustus Denarius
The main silver coin of Rome's first emperor, Augustus, whose long reign established the imperial monetary system that would last for centuries.
Ancient
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
Swedish Krona
The krona has been Sweden's national currency since 1873, originally struck in silver as part of the Scandinavian Monetary Union and today issued in base metals bearing the reigning monarch's portrait.
European
Danish Krone
The krone has been Denmark's national currency unit since 1875, issued in silver historically and base metals today, consistently featuring the reigning Danish monarch's portrait or monogram.
European
Philippine 50 Centavos (Commonwealth, 1936)
A special 1936 silver 50-centavo coin marking the establishment of the Commonwealth of the Philippines, issued in two paired-portrait varieties honoring Quezon alongside Murphy or Roosevelt.
Asian
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
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
Netherlands Lion Daalder (Leeuwendaalder)
A large silver trade coin of the Dutch provinces showing a knight and a rampant lion, widely circulated in colonial North America and the Ottoman world as the prototype 'lion dollar.'
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
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
Moroccan Rial (Alawi Dynasty Coinage)
Silver rial coinage struck by Morocco's Alawi sultans in the pre-colonial era, following Islamic coinage tradition with Arabic legends and no ruler portrait.
Africa & Oceania
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
Austrian Corpus Christi Thaler
A devotional silver thaler struck by Austrian ecclesiastical authorities to mark the feast of Corpus Christi, blending religious procession imagery with the standard large-thaler format of the era.
European
Mende Dionysos on Donkey Tetradrachm
A striking Classical-era silver tetradrachm from the wine-city of Mende, showing the wine-god Dionysos reclining drunkenly on a donkey, one of ancient coinage's most whimsical designs.
Ancient
Hadrian Travel Series Denarius
A celebrated series of silver denarii issued late in Hadrian's reign, personifying the many provinces he famously toured throughout the Roman Empire.
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
Brazil 960 Reis
Brazilian silver coin created by overstriking Spanish colonial 8 reales with new Portuguese royal dies, issued after the Portuguese royal court relocated to Brazil.
Latin American
Aurelian Antoninianus
Radiate coin of Aurelian, the soldier-emperor who reunited the fractured Roman Empire and enacted a major coinage reform introducing standardized silver content marked with XXI or KA.
Ancient
Alexander the Great Tetradrachm
The widely circulated silver coin of Alexander the Great, showing Herakles wearing a lion skin on the obverse and an enthroned Zeus on the reverse, struck across his empire and for generations after his death.
Ancient
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