Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Brazil 960 Reis
Brazilian silver coin created by overstriking Spanish colonial 8 reales with new Portuguese royal dies, issued after the Portuguese royal court relocated to Brazil.
Latin American
French Indochina Piastre de Commerce
A large silver trade dollar issued by colonial French Indochina, weighted to match the Mexican and Spanish trade dollars already circulating throughout Southeast Asian and Chinese commerce.
Asian
Australian Holey Dollar and Dump
In 1813, colonial authorities in New South Wales punched the centers out of Spanish silver dollars to create two coins from one, easing a severe coin shortage while preventing the silver from leaving the colony.
Africa & Oceania
Isabella Quarter
The only U.S. commemorative quarter dollar, struck for the 1893 World's Columbian Exposition and featuring Queen Isabella I of Spain, sponsor of Columbus's voyage.
Commemorative
Brazilian 960 Reis Silver
A silver crown-sized coin struck in Brazil under Prince Regent João and later Pedro I, famous for often being overstruck directly on circulating Spanish colonial 8-reales pieces.
Latin American
2010 Yellowstone America the Beautiful Quarter
The second release in the America the Beautiful Quarters series, depicting the iconic Old Faithful geyser erupting in Yellowstone National Park, Wyoming.
United States
1999 Pennsylvania State Quarter
The second release in the U.S. Mint's 50 State Quarters Program, honoring Pennsylvania with a design featuring the state's outline, a keystone, and the Commonwealth statue.
Commemorative
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
Netherlands 10 Gulden Gold (Wilhelmina)
The gold 10 Gulden coin featuring Queen Wilhelmina was the Netherlands' standard gold circulation and reserve coin in the early 20th century, later restruck as a recognized gold bullion piece.
European
Cartwheel Penny (1797)
A massive, one-ounce copper penny struck in 1797 by Matthew Boulton's Soho Mint, nicknamed the Cartwheel Penny for its thick raised rim resembling a cart's wheel and axle.
British
2011 Gettysburg America the Beautiful Quarter
An America the Beautiful Quarters release honoring Gettysburg National Military Park in Pennsylvania, site of the pivotal 1863 Civil War battle.
United States
1996-W Roosevelt Dime
A special anniversary-issue dime struck at West Point and included only in 1996 Uncirculated Mint Sets, never released for general circulation.
United States
Brazilian 20000 Reis Gold
The highest-value gold coin of the Empire of Brazil, struck intermittently under Emperor Pedro II to support the country's monetary reserves and international trade.
Latin American
Nguyen Dynasty Gold Bar (Vietnam)
Imperial Vietnamese gold ingot from the Nguyen Dynasty, used for treasury reserves, tribute, and high-value transactions rather than everyday commerce.
Asian
1950-D Jefferson Nickel
The lowest-mintage business-strike Jefferson Nickel of the entire series, widely hoarded in rolls even as it was released, earning it the nickname the 'King of Jefferson Nickels.'
United States
2008 Hawaii State Quarter
The final release of the 50 State Quarters Program, honoring Hawaii with an image of King Kamehameha I extending his hand over the Hawaiian islands.
United States
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
George V Fifty Cents
Canada's fifty-cent silver coin issued under King George V, spanning a reduction in silver fineness in 1920 and including the famously rare 1921 date.
Canadian
1974 Aluminum Cent
An extremely rare experimental pattern struck in aluminum as a potential replacement for the copper cent amid rising metal costs, almost none of which were legally released to the public.
Errors & Varieties
Coronet Head Half Eagle
The longest-running half eagle design, struck for nearly seventy years with Christian Gobrecht's Liberty coronet portrait, spanning No Motto and With Motto varieties across six different mints.
United States
1933 Double Eagle
One of the rarest and most legally contested U.S. coins, struck but never officially released for circulation after the nation left the gold standard; a single example sold for over $18 million.
United States
Brazilian 2000 Reis Silver
The largest common silver coin of the Brazilian Empire, bearing the portrait of Emperor Pedro II across several design types spanning his long reign.
Latin American
George V Ten Cents
Canada's silver ten-cent coin struck throughout the long reign of King George V, spanning the First World War era through to the mid-1930s.
Canadian
2008 Beijing Olympics Commemorative Coins
China issued a large multi-year coin program ahead of the 2008 Beijing Olympics, spanning circulating 1 Yuan pieces and extensive gold and silver proof series depicting Olympic sports and Beijing landmarks.
Commemorative