Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

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
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
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
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
Brazilian 6400 Reis Gold (Peça)
A substantial colonial Brazilian gold coin nicknamed the "peça" (piece), widely known abroad as the "Johannes" or "Joe," and once common in trade across the Atlantic world.
Latin American
Braided Hair Half Cent
The final United States half cent design, struck from 1840 to 1857, featuring Liberty with braided hair, before the denomination was discontinued.
United States
Braided Hair Large Cent
The final large cent design, showing Liberty with braided hair, produced until the bulky copper cent was replaced by the small Flying Eagle cent in 1857.
United States
1934 Peace Dollar
A Depression-era Peace Dollar issue struck at three mints, with the low-mintage 1934-S standing out as a semi-key date prized by collectors.
United States
1849 Double Eagle
A unique pattern coin, the very first double eagle ever struck by the U.S. Mint, made to test the newly authorized twenty-dollar denomination; the sole surviving example is held by the Smithsonian.
United States
1936 Dot Cent
One of Canada's rarest coins: a 1936-dated cent quietly struck in 1937 with a tiny raised dot below the date after King Edward VIII's abdication delayed new George VI dies.
Canadian
1878-CC Trade Dollar
A scarce Carson City-struck Trade Dollar from the series made for Asian commerce, prized for its low surviving population and famous CC mintmark.
United States
1839 Gobrecht Dollar
The final-year Gobrecht dollar, bridging the earlier pattern strikes of 1836-1838 and the full-scale Seated Liberty dollar series that followed in 1840.
United States
1836 Gobrecht Dollar
The first-year Gobrecht dollar, famous for its seated Liberty obverse and flying eagle reverse, and for briefly including engraver Christian Gobrecht's name on the design.
United States
1889-CC Morgan Dollar
A major key date among Carson City Morgan dollars, with a low mintage of roughly 350,000 coins, making it one of the toughest CC-mint issues to find.
United States
1900-O/CC Morgan Dollar
A well-known Morgan dollar overmintmark variety showing an O mintmark punched over a CC, created when a leftover Carson City die was repurposed and repunched for use at New Orleans.
Errors & Varieties
1900 Lafayette Dollar
The first United States commemorative silver dollar, struck in 1900 to help fund a statue of the Marquis de Lafayette presented to France at the Paris Exposition.
Commemorative
1787 Brasher Doubloon
An extraordinarily rare private gold coin struck by New York goldsmith Ephraim Brasher in 1787, now one of the most valuable and famous coins in American numismatics.
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
1885 Trade Dollar
One of the rarest official United States coins, a proof-only issue struck years after the Trade dollar series had officially ended, with only a handful of examples known.
United States
1987 Loon Dollar (Aureate)
Canada's first modern circulating dollar coin, introduced in 1987 to replace the paper dollar bill and nicknamed "the Loonie" after the common loon depicted on its reverse.
Canadian
1921 Morgan Dollar
The final year of Morgan dollar production, struck in massive numbers at all three mints after the Pittman Act required replacement of melted silver dollars.
United States
1794 Flowing Hair Half Dollar
The first half dollar ever struck by the United States Mint, produced in tiny numbers and ranking among the most desirable early American silver coins.
United States
1895 Morgan Dollar (King of Morgans)
A legendary Morgan Dollar key date struck only in proof format at Philadelphia, nicknamed the 'King of Morgans' for its extreme rarity within the series.
United States
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