Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
Five Guinea
The largest regularly issued gold denomination of the guinea coinage system, worth five guineas, struck from the reign of Charles II through George II for major transactions and presentation purposes.
British
2000 Sydney Olympics Coin Series
The Royal Australian Mint issued one of the largest circulating commemorative coin programs ever produced for a single Olympics, featuring numerous $5 designs alongside premium silver and gold proof coins for the Sydney 2000 Games.
Commemorative
Celtic Gold Stater
Iron Age gold coins struck by Celtic tribes across Gaul and Britain, evolving from close imitations of Macedonian staters into strikingly abstract, stylized designs.
Ancient
Spanish 100 Reales Gold (Isabel II)
A mid-19th-century Spanish gold coin struck under Queen Isabel II, part of Spain's pre-peseta reales-based monetary system.
European
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
Korean Sangpyeong Tongbo Cash
The standard cash coin of Joseon-dynasty Korea, cast for over two centuries with a huge range of mint and workshop marks on the reverse.
Asian
Japanese Wado Kaichin
Japan's earliest officially minted coin, cast in 708 AD in imitation of Tang Chinese cash, with a round shape and square center hole.
Asian
Chile Peso (Condor)
Chilean coinage featuring the Andean condor perched or in flight, first seen on 19th-century gold pesos and later on the everyday circulating peso coin.
Latin American
Costa Rica 2 Colones Gold
A small gold denomination from Costa Rica's early colon-era coinage, part of a family of gold coins (2, 5, 10, and 20 colones) struck around the turn of the twentieth century.
Latin American
Nabataean Silver Drachm (Aretas IV)
Silver coin of Aretas IV, the most powerful king of the Nabataean Kingdom centered on Petra, often showing his portrait jugate with Queen Shaquilat.
Ancient
1950-D/S Washington Quarter Overmintmark
A famous mid-century mintmark error where a Denver quarter die was first punched with an S mintmark and then re-punched with a D, leaving traces of both letters visible.
Errors & Varieties
Spanish 4 Reales
A mid-value denomination of Spain's traditional real-based coinage, struck for centuries in both Spain and its American colonies.
European
Ottoman Kurus (Piastre)
The standard Ottoman monetary unit for centuries, struck in silver or base metal bearing the sultan's tughra, later becoming a subunit of the Ottoman lira after 1844.
World
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
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
German Saxony Ducat
A high-purity gold trade coin struck for centuries by the rulers of Saxony, one of the most important German states before national unification.
European
Japanese Kan'ei Tsuho Cash
The workhorse cash coin of Edo-period Japan, cast continuously from 1636 for over two centuries with a square hole and simple four-character legend.
Asian
Thebes Boeotian Shield Stater
A silver stater from Boeotia bearing the distinctive figure-eight-shaped Boeotian shield, the common civic emblem struck by Thebes and its allied cities for centuries.
Ancient
Roman Denarius
The workhorse silver coin of ancient Rome for over four centuries, used across the Republic and Empire and one of the most widely collected categories of ancient coinage today.
Ancient
Japanese Mon (Kan'ei Tsuho cash coin)
Long-running cast copper or iron cash coin of Edo-period Japan, inscribed 'Kan'ei Tsuho' and produced continuously for well over two centuries.
Asian
Swiss Franc (Helvetia Seated)
Switzerland's classic 19th-century silver coinage depicting a seated figure of Helvetia, the female personification of the Swiss nation.
European
Anglo-Saxon Silver Penny
The standard silver coin of Anglo-Saxon England from the 8th century to the Norman Conquest, naming the issuing king and the moneyer who struck it.
British
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