Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Maundy Money Set
A set of tiny sterling silver coins in four denominations, specially struck each year for the monarch to distribute personally to elderly recipients in the Royal Maundy ceremony on Maundy Thursday.
British
Magnentius Double Centenionalis
A large bronze coin of the usurper Magnentius featuring one of the earliest large Christian Chi-Rho symbols on Roman coinage.
Ancient
1980 Moscow Olympics Silver Rouble
The Soviet Union struck an extensive multi-denomination coin program from 1977 to 1980 celebrating the Moscow Summer Olympics, including widely collected silver 1 rouble coins.
Commemorative
Royal Mint £5 Crown Commemorative
The modern British £5 coin descends from the historic crown and is issued almost exclusively for commemorative purposes, marking royal events, anniversaries, and national milestones.
Commemorative
Constantius II Centenionalis
A bronze centenionalis of Constantius II featuring the dramatic 'Fallen Horseman' reverse, one of the most famous designs of the Late Roman Empire.
Ancient
Constantine URBS ROMA Commemorative
A small bronze commemorative honoring the city of Rome with a helmeted Roma obverse and the iconic she-wolf suckling Romulus and Remus on the reverse.
Ancient
French Napoleon 20 Francs Gold
France's standard 19th-century gold coin, first struck under Napoleon I and continued under later rulers and the Republic, giving rise to the enduring nickname "Napoleon" for any 20-franc gold coin.
European
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
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
Royal Canadian Mint Colored Poppy Quarter (2004)
Canada's 2004 poppy quarter is widely credited as the world's first coin with a colored design produced for general circulation, honoring Canadian war remembrance with a red poppy at its center.
Commemorative
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
1804 Draped Bust Dollar
One of the most famous rarities in American numismatics, a silver dollar dated 1804 but actually struck decades later, with only 15 known examples.
United States
Argentine 8 Escudos Gold (1813)
An extremely rare gold coin from the earliest years of Argentine independence, struck briefly at Potosí under revolutionary authority and bearing the iconic Sun of May.
Latin American
Rosa Americana Coinage
A British-issued colonial coinage for America under a patent granted to William Wood, showing a rose and King George I, that was widely rejected by colonists for its poor metal and overvaluation.
United States
Omani Rial (Baisa Coinage)
Decimal currency of Oman introduced in 1970, dividing the rial into 1,000 baisa and typically featuring the Sultan's portrait and the national khanjar emblem.
Asian
Chinese Empire Silver Dollar (Hsuan Tung Dragon)
A late Qing dynasty silver dollar issued during the brief Hsuan Tung (Xuantong) reign of the last emperor, featuring an imperial dragon design.
Asian
Boeotia Federal Coinage Stater
A silver stater struck under the Boeotian League's shared coinage system, instantly recognizable by the distinctive figure-eight Boeotian shield on the obverse.
Ancient
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
Arkansas Centennial Half Dollar
A commemorative half dollar marking Arkansas's 100th anniversary of statehood, pairing a Native American profile with an idealized Liberty figure on the obverse.
Commemorative
Yemeni Riyal (Ahmadi/Imadi Kingdom Coinage)
Silver riyal coinage struck under Yemen's ruling imams in the Mutawakkilite Kingdom period, following the traditional weight standard of the Maria Theresa thaler.
Asian
1893-S Morgan Dollar
The undisputed key date of the Morgan dollar series, struck at San Francisco with the lowest mintage of any regular-issue Morgan, roughly 100,000 coins.
United States
Grant Memorial Half Dollar
A 1922 U.S. commemorative half dollar honoring the 100th anniversary of Ulysses S. Grant's birth, famous for a rare 'star' variety.
Commemorative
Lincoln-Illinois Centennial Half Dollar
A 1918 U.S. commemorative half dollar marking Illinois's 100th anniversary of statehood, featuring a portrait of Abraham Lincoln.
Commemorative