Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Spanish Peseta
The peseta was Spain's national currency for over 130 years, evolving from silver coinage under a provisional 19th-century government to copper-nickel coins used until the euro replaced it in 2002.
European
1936 Dot Cent
One of Canada's rarest coins: a 1936-dated cent quietly struck in 1937 with a tiny raised dot below the date after King Edward VIII's abdication delayed new George VI dies.
Canadian
2004 Wisconsin State Quarter Extra Leaf
A famous modern variety of the 2004 Wisconsin state quarter showing an unexplained extra leaf on the corn cob, found in both 'low leaf' and 'high leaf' forms.
Errors & Varieties
South African Silver Krugerrand
The silver version of the world-famous Krugerrand, launched in 2017 to mark the gold coin's 50th anniversary, using the same Kruger and springbok design.
Bullion
1880 Shield Nickel
A major key date of the Shield Nickel series with an extremely low business-strike mintage, making genuine circulated examples much scarcer than the coin's proofs.
United States
1853 Seated Liberty Quarter (Arrows and Rays)
A popular one-year Seated Liberty type marked by arrows at the date and rays around the eagle, signaling a reduction in the coin's silver weight mandated by the Coinage Act of 1853.
United States
Massachusetts Willow Tree Shilling
The rarest of Massachusetts Bay's tree-series colonial shillings, struck in secret defiance of English law and all frozen with the date 1652 regardless of actual striking year.
United States
Wood's Hibernia Halfpenny
A British copper coinage patented by William Wood for Ireland, controversially rejected there but widely circulated instead in colonial America, where large surplus shipments ended up in everyday trade.
United States
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
Pine Tree Shilling
Colonial Massachusetts silver shilling struck by John Hull and Robert Sanderson, famous for carrying the fixed date 1652 for roughly three decades of actual production.
United States
Kyrene Silphium Tetradrachm
A silver tetradrachm from the North African Greek city of Kyrene featuring the now-extinct silphium plant, the source of the city's legendary wealth as a prized ancient medicinal herb.
Ancient
Viking Silver Penny of York
Silver penny struck by Norse rulers of the Viking Kingdom of York, blending Christian and pagan imagery such as crosses, swords, and Thor's hammers.
British
Egyptian Qirsh (Muhammad Ali Era)
Silver-billon piastre struck in Egypt under Muhammad Ali Pasha in the name of the Ottoman Sultan, reflecting Egypt's growing autonomy within the empire.
Africa & Oceania
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
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
Australian Penny (1930)
Regarded as the key date of Australian pre-decimal coinage, the 1930 penny is famous for an exceptionally small mintage during the Great Depression.
Africa & Oceania
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
1918/7-D Buffalo Nickel
One of the most famous overdate errors in United States coinage, showing 1918 struck over an earlier 1917 date on a Buffalo nickel die reused at the Denver Mint.
Errors & Varieties
Faustina the Younger Denarius
Silver denarius of Faustina the Younger, daughter of Antoninus Pius and wife of Marcus Aurelius, whose coinage emphasizes fertility and family themes.
Ancient
Commodus Denarius
Silver denarius of Commodus, the erratic son of Marcus Aurelius, whose later coinage famously depicted him as Hercules with lion skin and club.
Ancient
1851 Silver Three-Cent Piece
The first-year issue of the tiny Type I silver three-cent piece, nicknamed the trime, created to ease a national shortage of small change and postage-stamp coinage.
United States
1871-CC Seated Liberty Dime
One of the first dimes struck at the newly opened Carson City Mint, produced in very limited numbers and highly prized by collectors of CC-mint coinage.
United States
1877 Shield Nickel (Proof Only)
A major Shield Nickel rarity struck exclusively as proof coinage for collectors, with no business strikes produced for circulation that year.
United States
Selinus (Selinunte) River God Tetradrachm
Silver coinage of the Sicilian city of Selinus, notable for depicting the local river god sacrificing at an altar, along with the celery leaf that puns on the city's name.
Ancient