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

Capped Bust Half Dime
Struck between 1829 and 1837, the Capped Bust Half Dime brought a smaller, mechanically consistent version of the Capped Bust design to America's smallest silver coin.
United States
Liberty Head Quarter Eagle ($2.50)
A small 19th-century gold coin featuring Christian Gobrecht's Coronet Head design, minted across many branch facilities during America's gold rush era.
United States
Royal Canadian Mint Colored Poppy Quarter (2004)
Canada's 2004 poppy quarter is widely credited as the world's first coin with a colored design produced for general circulation, honoring Canadian war remembrance with a red poppy at its center.
Commemorative
Capped Bust Right Half Eagle
America's first five-dollar gold coin, struck 1795-1807 with Liberty facing right under a soft cap, first paired with a small perched eagle reverse and later a bold heraldic eagle.
United States
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
2004-D Wisconsin State Quarter Extra Leaf
A famous 50 State Quarters error showing an extra corn leaf on the Wisconsin quarter's reverse, found in two forms known as Extra Leaf High and Extra Leaf Low.
Errors & Varieties
Indian Head Eagle ($10)
A striking early 20th-century gold eagle designed by Augustus Saint-Gaudens as part of President Theodore Roosevelt's push to beautify American coinage.
United States
Guatemala 8 Reales
A silver piece of eight struck at the Guatemala City mint, first under Spanish colonial rule and later continued through the Central American Federation and independent Guatemala.
Latin American
US Bicentennial Quarter (1976)
A special dual-dated quarter struck to celebrate the 200th anniversary of American independence, featuring a colonial drummer boy on the reverse in place of the usual eagle.
United States
1827 Capped Bust Quarter
One of the most celebrated rarities in American numismatics, the 1827 quarter exists only as extremely rare proof-like Originals and later Restrikes rather than typical circulation coinage.
United States
1805 Draped Bust Quarter
A far more available date than the famous 1804, the 1805 quarter is a popular representative of the Draped Bust, Heraldic Eagle type for collectors building an early American type set.
United States
Maria Theresa Thaler
An Austrian silver trade coin dated 1780 that has been restruck continuously for over two centuries, remaining a trusted currency across parts of Africa and the Middle East long after its original issue.
European
Crown of the Double Rose
A gold coin introduced by Henry VIII in 1526 as part of his coinage reform, named for the crowned Tudor double rose on its reverse.
British
Constantine the Great Follis
A bronze coin of Constantine the Great, the emperor who legalized Christianity and founded Constantinople, struck at numerous mints across a transforming empire.
Ancient
Philip the Arab Antoninianus
Radiate coin of Philip the Arab, notable for celebrating Rome's 1,000th anniversary in 248 AD with a memorable series of animal-themed 'Saecular Games' reverse types.
Ancient
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
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
Spanish Colonial Gold Escudo (Doubloon)
The gold coinage of the Spanish American colonies, popularly nicknamed the doubloon, struck in denominations up to 8 escudos and famous from pirate and shipwreck lore.
Latin American
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
1891 Seated Liberty Quarter
The final year of the long-running Seated Liberty quarter design before it was replaced by the Barber quarter in 1892, popular as an affordable closing-date type coin.
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
1965 Kennedy Half Dollar (40% silver)
A transitional Kennedy half dollar struck with reduced 40% silver content after the Coinage Act of 1965 eliminated silver from dimes and quarters, honoring the assassinated president.
United States
Virginia Halfpenny
An official royal copper coinage struck in London specifically for the Colony of Virginia, showing King George III, whose distribution was disrupted by the approaching American Revolution.
United States
1804 Draped Bust Quarter
The key date of the short Draped Bust, Heraldic Eagle quarter series, the 1804 issue had a very small original mintage and ranks among the rarest and most valuable early United States quarters in any condition.
United States