Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1888/7 Indian Head Cent Overdate
A scarce overdate variety of the Indian Head cent in which traces of an underlying 7 are visible beneath the final 8 in the 1888 date, from a working die repunched with a new year.
Errors & Varieties
1860 Indian Head Cent (Oak Wreath)
The redesigned Indian Head cent introducing the oak wreath and shield reverse that would remain in use, with only a metal change in 1864, through the end of the series in 1909.
United States
Indian Punch-Marked Karshapana
Among the earliest coins of South Asia, irregular silver bars struck repeatedly with multiple unrelated symbol punches rather than a single unified design.
Ancient
2 Euro Coin
The highest-denomination circulating euro coin, with a silver-colored center inside a gold-colored ring, widely used by member states to issue popular commemorative designs collected across Europe.
European
Ottoman 20 Kurus
Ottoman silver coin denominated in kuruş, bearing the sultan's ornate calligraphic tughra rather than a portrait, in keeping with Islamic artistic tradition.
World
Danish 2 Rigsdaler
A large silver crown of the Kingdom of Denmark, double the standard rigsdaler denomination, often struck to commemorate specific royal events before Denmark adopted the krone in 1873.
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
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
Brazilian 20000 Reis Gold
The highest-value gold coin of the Empire of Brazil, struck intermittently under Emperor Pedro II to support the country's monetary reserves and international trade.
Latin American
2005 Kansas State Quarter In God We Rust
A popularly nicknamed error on the 2005 Kansas state quarter in which a filled or damaged die caused the T in TRUST to appear missing, making the motto read 'IN GOD WE RUST.'
Errors & Varieties
2004 Texas State Quarter
A 2004 entry in the 50 State Quarters Program depicting an outline of Texas with a lone star, honoring the state's independent history as the Lone Star State.
United States
1967 Centennial Gold $20 Coin
A gold $20 coin struck to mark the 100th anniversary of Canadian Confederation in 1967, sold mainly to collectors as part of the country's centennial commemorative coinage.
Commemorative
Napoleon 20 Franc Gold Coin
A historic French gold coin first struck under Napoleon Bonaparte in 1803, later issued under successive French governments and long used as a benchmark gold coin across Europe.
European
Lincoln Bicentennial Cent (2009)
A one-year series of four different reverse designs issued in 2009 to mark the 200th anniversary of Abraham Lincoln's birth and the centennial of the Lincoln cent.
Commemorative
2000-P Sacagawea Cheerios Dollar
A famous modern rarity: early-production 2000-P Sacagawea dollars included in Cheerios cereal boxes as a promotion, some showing enhanced eagle tail feather detail not found on later coins.
Errors & Varieties
1943/2-P Jefferson Nickel Overdate
A wartime Jefferson nickel overdate variety in which traces of an underlying 2 can be seen beneath the 3 in the date, created when a working die was re-hubbed with a different year's date.
Errors & Varieties
2012 London Olympics 50p Series
The Royal Mint issued 29 different circulating 50 pence coins in 2011, each honoring a different sport of the London 2012 Olympic and Paralympic Games, sparking a nationwide coin-collecting craze in Britain.
Commemorative
1823/2 Capped Bust Quarter Overdate
One of the rarest die varieties in the entire United States quarter series, the 1823/2 overdate shows a 3 punched over a leftover 2, from an extremely limited production run.
Errors & Varieties
1917 Type 2 Standing Liberty Quarter
The revised Standing Liberty quarter design introduced later in 1917, adding chain mail over Liberty's chest and extra stars on the reverse, used through the end of the series in 1930.
United States
Spanish 20 Pesetas Gold (Alfonso XII)
Spain's standard gold coin of the Latin Monetary Union era, struck under King Alfonso XII following the restoration of the Spanish monarchy in the 1870s.
European
Canadian 2010 Vancouver Olympics Coins
The Royal Canadian Mint produced an extensive multi-year coin program for the Vancouver 2010 Winter Olympics, including innovative colorized and lenticular circulating quarters alongside premium silver and gold collector coins.
Commemorative
New Zealand Lord of the Rings Coins (2003)
New Zealand issued legal-tender coins featuring characters and scenes from Peter Jackson's Lord of the Rings film trilogy, celebrating the films' production in the country with both a circulating dollar and premium collector coins.
Commemorative
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
2000-P Sacagawea/Washington Quarter Mule
An extraordinarily rare mint error pairing the golden Sacagawea dollar obverse with a Washington quarter reverse die, one of the most famous modern mule errors in U.S. coinage.
Errors & Varieties