Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1969-S Doubled Die Obverse Lincoln Cent
A famous and dramatic doubled die obverse Lincoln cent from the San Francisco Mint, showing strong, easily visible doubling and ranking among the most valuable Lincoln cent doubled die varieties.
Errors & Varieties
1955 Poor Man's Doubled Die Lincoln Cent
A more common, lower-value doubled die variety on the 1955 Lincoln cent, nicknamed the 'poor man's' version because it offers a similar doubled-image look to the famous 1955 Doubled Die Obverse at a fraction of the price.
Errors & Varieties
War Nickel (Silver 1942-1945 Jefferson Nickel)
A special wartime Jefferson Nickel alloy struck without nickel metal to conserve it for military use, identifiable by a large mintmark placed above Monticello's dome.
United States
1955 Jefferson Nickel Poor Man's Doubled Die
A minor doubled-die variety on the 1955 Jefferson Nickel's date, nicknamed the 'Poor Man's Doubled Die' as a more affordable alternative to the famous 1955 doubled-die Lincoln Cent.
Errors & Varieties
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
1960 Large Date over Small Date Lincoln Cent
A date-size variety of the 1960 Lincoln cent in which large and small date logotypes were both used during the year, with some pieces showing evidence of one date style impressed over the other.
Errors & Varieties
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
India Gold Pagoda (Madras Presidency)
Small gold coin traditionally used across South India, later adopted and standardized by the East India Company's Madras Presidency before being phased out for rupee-based currency.
Asian
Farthing
The smallest-value British bronze coin, worth a quarter of a penny, fondly remembered for its charming wren reverse design used from 1937 until its withdrawal.
British
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 - 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
Nova Constellatio Copper
Distinctive early American copper coin featuring a radiant eye within a circle of stars, associated with Gouverneur Morris's proposed decimal coinage plans of the early 1780s.
United States
Bahraini Dinar
Modern decimal currency of Bahrain, introduced in 1965 to replace the Gulf Rupee, with the dinar divided into 1,000 fils.
Asian
New Jersey Copper
State-authorized copper coinage struck for New Jersey in the late 1780s, famous for its horse-head-and-plow obverse and shield reverse design.
United States
Vermont Copper
Copper coinage struck under authority of the independent Vermont Republic in the 1780s, featuring an early landscape design and later a Britannia-style type.
United States
Connecticut Copper
State-authorized copper coinage struck for Connecticut in the mid-1780s, featuring a bust obverse and seated Liberty reverse across numerous die varieties.
United States
Portuguese Real
Portugal's centuries-old pre-decimal currency unit, used from the medieval era until the 1911 introduction of the escudo, also struck for Brazil and other colonies.
European
1939-D Jefferson Nickel
A scarce early Denver-mint Jefferson Nickel with one of the lowest mintages of the pre-war series, considered a semi-key date for collectors building a complete set.
United States
Brasher Doubloon
A famous privately struck gold coin made in 1787 by New York goldsmith Ephraim Brasher, a neighbor of George Washington, and one of the most valuable and celebrated coins in American numismatics.
United States
German Bremen Thaler
A silver thaler issued by the Free Hanseatic City of Bremen before German unification, featuring the city's heraldic key, part of the patchwork of pre-1871 German state and city coinages.
European
Massachusetts Cent (1787-1788)
State-issued copper coinage struck by the Commonwealth of Massachusetts in 1787 and 1788, notable as the first official U.S. coinage to use the denomination 'cent'.
United States
Australian Penny (1930)
Regarded as the key date of Australian pre-decimal coinage, the 1930 penny is famous for an exceptionally small mintage during the Great Depression.
Africa & Oceania
Edward VII Large Cent
Canada's large bronze cent struck 1902-1910 under King Edward VII, continuing the pre-1920 large cent format.
Canadian
Moroccan Rial (Alawi Dynasty Coinage)
Silver rial coinage struck by Morocco's Alawi sultans in the pre-colonial era, following Islamic coinage tradition with Arabic legends and no ruler portrait.
Africa & Oceania