Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Twenty Pence
A seven-sided UK coin introduced in 1982 to fill a gap between the ten pence and fifty pence denominations.
British
Fifty Pence
The UK's distinctive seven-sided 50p coin, introduced in 1969 to replace the ten shilling note ahead of decimalisation.
British
50 Euro Cent Coin
A gold-colored circulating euro coin worth half a euro, struck in a copper-based Nordic gold alloy and easily recognized by its distinctive scalloped-edge shape and national obverse design.
European
Philippine 50 Centavos (Commonwealth, 1936)
A special 1936 silver 50-centavo coin marking the establishment of the Commonwealth of the Philippines, issued in two paired-portrait varieties honoring Quezon alongside Murphy or Roosevelt.
Asian
Chilean 50 Pesos Gold
A mid-sized Chilean gold coin issued as part of the 1926 gold standard reform, sharing the condor design theme with its larger and smaller companion denominations.
Latin American
Panama-Pacific $50 Gold (Round)
A massive round commemorative gold piece struck for the 1915 Panama-Pacific International Exposition, one of the rarest and most valuable U.S. commemorative coins ever issued.
Commemorative
Australian 50 Cent (round 1966 silver)
Australia's original round 50-cent coin from the 1966 decimal changeover, struck in 80% silver and withdrawn the same year once its bullion value exceeded face value.
Africa & Oceania
Mexican Gold Centenario (50 Pesos)
Mexico's iconic gold coin, first struck in 1921 to mark a century of independence, depicting the Angel of Independence and still produced today as bullion.
Bullion
Japanese 50 Sen Silver (Meiji Phoenix)
An early Meiji-era Japanese silver coin featuring a coiled dragon on the obverse and a phoenix on the reverse, part of Japan's first modern decimal coinage system introduced after the Meiji Restoration.
Asian
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
Indian Head Quarter Eagle ($2.50)
A small gold coin featuring Bela Lyon Pratt's distinctive incuse Native American design, one of only two U.S. denominations ever struck with recessed devices.
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
Indian Head Gold Quarter Eagle ($2.50)
A small early 20th-century $2.50 gold coin notable for its incuse design and Native American war bonnet portrait, designed by sculptor Bela Lyon Pratt.
United States
Pound Coin
The United Kingdom's £1 coin, introduced in 1983 to replace the paper pound note, redesigned as a 12-sided bimetallic coin in 2017.
British
1921 Fifty Cents (King of Canadian Coins)
Canada's most famous rarity, the 1921 fifty-cent piece survives in only a small number of known examples after most of its mintage was melted, earning it the nickname King of Canadian Coins.
Canadian
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
Ottoman Gold 500 Kurus (Abdulhamid II)
A substantial gold coin struck under Sultan Abdulhamid II, equal to five Ottoman lira, bearing his tughra and used both for circulation and as a store of wealth.
World
1918/7-S Standing Liberty Quarter Overdate
One of the most famous overdate varieties in U.S. coinage, where a leftover 1917 die was re-punched with an 1918 date, leaving remnants of the 7 visible beneath the 8.
Errors & Varieties
Vatican Euro Coins
Official euro coinage of the world's smallest sovereign state, struck in very limited quantities and highly sought after by euro coin collectors worldwide.
European
Kellogg & Co. Gold Piece
Private gold coinage struck by the San Francisco firm Kellogg & Co. during the California Gold Rush, including the famous octagonal fifty-dollar 'slug' of 1855, filling a shortage of circulating coin.
United States
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
1 Euro Coin
The standard circulating one-euro coin used across the Eurozone since 2002, bimetallic with a gold-colored center and silver-colored ring, and a national obverse that varies by issuing country.
European
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
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