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

Euro €2 Commemorative Coins
Since 2004, Eurozone countries have issued special-design €2 coins commemorating anniversaries and events while keeping the coin's normal size, weight, and legal-tender status.
Commemorative
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
Panama-Pacific Quarter Eagle Commemorative
A 1915 commemorative gold coin honoring the Panama-Pacific Exposition, showing Liberty riding a hippocampus (sea horse), symbolizing the Panama Canal's linking of the Atlantic and Pacific Oceans.
Commemorative
Two Pound Coin
The UK's bimetallic £2 coin, standardized for circulation in the late 1990s, widely used for a rotating series of commemorative reverse designs.
British
Missouri Centennial Half Dollar
A 1921 U.S. commemorative half dollar marking Missouri's centennial of statehood, known for a scarcer '2★4' variety.
Commemorative
Double Sovereign
A British gold coin worth two pounds, twice the value of the standard sovereign, struck intermittently since the nineteenth century for commemorative and bullion purposes.
British
Hawaiian Sesquicentennial Half Dollar
A rare, low-mintage 1928 commemorative half dollar marking 150 years since Captain James Cook's arrival in Hawaii, considered a key rarity of the classic commemorative series.
Commemorative
Alabama Centennial Half Dollar
A 1921 U.S. commemorative half dollar for Alabama's statehood centennial, notable for depicting a living person and a scarcer '2X2' variety.
Commemorative
Netherlands Rijksdaalder Gulden
The 2.5 guilder coin of the Kingdom of the Netherlands, carrying forward the historic rijksdaalder name through the monarchy era until the euro's adoption.
European
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
French 100 Francs Silver
France's pre-euro 100 Franc denomination included both a long-running silver Panthéon coin for collectors and numerous limited commemorative silver issues honoring people, events, and anniversaries.
European
Long Island Tercentenary Half Dollar
A 1936 U.S. commemorative half dollar marking 300 years since the first European settlement on Long Island, New York.
Commemorative
Sesquicentennial of American Independence Quarter Eagle
A $2.50 gold commemorative issued for the 150th anniversary of American independence, showing a standing Liberty with the Declaration of Independence and Independence Hall.
Commemorative
California Diamond Jubilee Half Dollar
A 1925 commemorative half dollar marking California's 75th anniversary of statehood, featuring a kneeling gold prospector obverse and a walking grizzly bear reverse.
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
Portuguese Escudo
Portugal's national currency unit from the 1911 decimal reform, following the fall of the monarchy, until the Euro replaced it in the early 2000s.
European
British Guinea
England's premier gold coin for over 150 years, named for the West African region that supplied much of its gold and eventually valued at 21 shillings.
British
Dutch Guilder (Gulden)
The guilder was the standard currency of the Netherlands for more than three centuries, struck in silver and later copper-nickel before being replaced by the euro in 2002.
European
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
Netherlands Rijksdaalder
A historic large silver crown-sized coin of the Low Countries, the rijksdaalder became a trusted trade coin across Europe for centuries and lent its name to the modern Dutch 2½-guilder piece.
European
US Olympic Commemorative Dollar (1983)
The first coin in a two-year US commemorative program supporting the 1984 Los Angeles Olympics, the 1983 silver dollar features a discus-thrower design and marked a revival of American commemorative coinage.
Commemorative
Columbian Exposition Half Dollar
The first United States commemorative coin, struck in 1892 and 1893 to mark the 400th anniversary of Columbus's voyage and fund the World's Columbian Exposition.
Commemorative
1900 Lafayette Dollar
The first United States commemorative silver dollar, struck in 1900 to help fund a statue of the Marquis de Lafayette presented to France at the Paris Exposition.
Commemorative
1984 Los Angeles Olympics Commemorative Dollar
The second year of a two-year US commemorative coin program, this 1984-dated silver dollar helped fund the Los Angeles Olympic Games and featured Olympic-themed artwork struck at three US mints.
Commemorative