Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Presidential Dollar Series
A circulating dollar coin series honoring US presidents in order of service, featuring edge-lettered mottos and a shared Statue of Liberty reverse across every release.
United States
Presidential Dollar - George Washington
The first coin in the U.S. Presidential Dollar series, honoring George Washington, notable for edge-lettering errors including the famous 'Godless Dollar' missing IN GOD WE TRUST.
United States
Presidential Dollar - Thomas Jefferson
The third coin in the Presidential Dollar series, honoring Thomas Jefferson, sharing the same edge-lettering format and Statue of Liberty reverse as the earliest issues in the program.
United States
Presidential Dollar - Abraham Lincoln
A Presidential Dollar honoring Abraham Lincoln, released in 2010 during the bicentennial period of his birth, featuring his portrait and the series' distinctive incused edge lettering.
United States
Presidential Dollar - John Adams
The second coin in the U.S. Presidential Dollar series, honoring John Adams, also affected by a notable doubled and missing edge-lettering error alongside the Washington issue.
United States
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
Japanese 1 Yen Silver Coin
Japan's principal large silver coin of the Meiji era, featuring a coiled dragon, that became a major East Asian trade coin and a symbol of Japan's rapid currency modernization.
Asian
Argentine 1 Peso 'Liberty Head'
A short-lived Argentine silver peso from the early 1880s featuring a Liberty head design, struck only briefly before Argentina's monetary standards shifted.
Latin American
1942/1 Mercury Dime Overdate
A famous overdate error, this Philadelphia Mercury Dime shows remnants of a 1941 digit beneath the 1942 date, created when an old die hub was reused by mistake.
Errors & Varieties
Peru 1 Sol Silver 'Seated Liberty'
A classic Peruvian silver coin showing a seated female Liberty figure holding a shield and staff, struck intermittently over several decades at the Lima mint.
Latin American
Type 1 Liberty Head Gold Dollar
The first United States gold dollar, a tiny coin introduced during the California Gold Rush and among the smallest coins ever struck by the U.S. Mint.
United States
Canadian Gold Maple Leaf (1 oz)
Canada's flagship gold bullion coin, struck in .9999 fine gold by the Royal Canadian Mint since 1979, among the purest gold coins ever issued.
Bullion
1942/1-D Mercury Dime Overdate
The Denver counterpart to the famous 1942/1 overdate, this Mercury Dime shows a doubled date from reused 1941 die-making equipment and is scarcer than the Philadelphia version.
Errors & Varieties
Mexican Estados Unidos 1 Peso 'Morelos'
A mid-twentieth-century Mexican silver peso portraying independence hero José María Morelos, struck in fifty-percent silver for just a few years after World War II.
Latin American
1917 Type 1 Standing Liberty Quarter
The original 1916-1917 Standing Liberty quarter design showing Liberty with an exposed right breast, before the design was modified later in 1917 for modesty.
United States
Japanese 1 Yen Silver 'Dragon' Trade Dollar
A Meiji-era Japanese silver yen featuring a coiled dragon, struck to standardize Japan's currency and, in a special trade dollar variant, to compete with Mexican and other silver dollars across East Asia.
Asian
Korean 1 Yang Silver (Joseon/Great Han Empire)
Silver 1 Yang coin from Korea's late Joseon currency reform of the 1890s, part of the kingdom's first modern, machine-struck decimal coinage.
Asian
Sun Yat-sen 'Memento' 1 Dollar (1927)
Silver dollar bearing the portrait of Sun Yat-sen, struck to commemorate the founding of the Republic of China and widely circulated under the Nationalist government.
Asian
Native American Dollar (Sacagawea Reverse Series)
A continuation of the Sacagawea dollar with an annually changing reverse honoring Native American history and culture, while keeping Sacagawea's portrait on the obverse.
United States
1983 Doubled Die Reverse Lincoln Cent
A notable doubled die variety showing bold doubling on the reverse lettering of the Lincoln Memorial cent, particularly visible on ONE CENT, from the first full year of the copper-plated zinc cent.
Errors & Varieties
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
Iranian Pahlavi Gold Coin
A gold coin series named for Iran's Pahlavi dynasty, issued from the 1920s until the 1979 revolution and still widely traded today as a recognized gold bullion and savings coin.
Bullion
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
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