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

Immune Columbia Copper
An extremely rare Confederation-era copper carrying the Latin legend 'IMMUNIS COLUMBIA,' known for numerous unusual die combinations and mules with other early American and British designs.
United States
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
2000 Sydney Olympics Coin Series
The Royal Australian Mint issued one of the largest circulating commemorative coin programs ever produced for a single Olympics, featuring numerous $5 designs alongside premium silver and gold proof coins for the Sydney 2000 Games.
Commemorative
Louisiana Purchase Gold Dollar Commemorative
A 1903 commemorative gold dollar issued for the Louisiana Purchase Exposition in St. Louis, struck in two varieties featuring the portraits of Thomas Jefferson and William McKinley.
Commemorative
San Diego Pacific Exposition Half Dollar
A 1935-1936 U.S. commemorative half dollar sold at the California Pacific International Exposition in San Diego's Balboa Park.
Commemorative
Edward VII Large Cent
Canada's large bronze cent struck 1902-1910 under King Edward VII, continuing the pre-1920 large cent format.
Canadian
Twenty Pence
A seven-sided UK coin introduced in 1982 to fill a gap between the ten pence and fifty pence denominations.
British
Victoria Large Cent
Canada's first bronze large cent, struck 1858-1901 under Queen Victoria, larger and heavier than the modern Canadian cent.
Canadian
Canadian Toonie
Canada's bimetallic two dollar coin, introduced in 1996 with a polar bear reverse, whose nickname blends "two" with "loonie."
Canadian
George Noble
A short-lived English gold coin of 1526 depicting St. George slaying the dragon, among the rarest coins of Henry VIII's reign.
British
Fifty Pence
The UK's distinctive seven-sided 50p coin, introduced in 1969 to replace the ten shilling note ahead of decimalisation.
British
Quarter Guinea
A rarely issued small gold coin worth one-quarter of a guinea, struck only in 1718 under George I and again briefly in 1762 under George III.
British
Norwegian Speciedaler
Norway's principal silver coin from the establishment of its independent currency in 1816 until the krone reform of the 1870s.
European
Huguenot-Walloon Tercentenary Half Dollar
A 1924 U.S. commemorative half dollar honoring the 300th anniversary of Huguenot and Walloon settlement in New Netherland.
Commemorative
Missouri Centennial Half Dollar
A 1921 U.S. commemorative half dollar marking Missouri's centennial of statehood, known for a scarcer '2★4' variety.
Commemorative
Seated Liberty Dollar
A mid-19th century silver dollar depicting Liberty seated on a rock, the standard large silver dollar of the United States before the Trade dollar and Morgan dollar.
United States
Austrian Florin (Gulden)
The main silver coin of Austria-Hungary in the second half of the 19th century, used until the krone replaced it in the 1892 monetary reform.
European
Crown of the Double Rose
A gold coin introduced by Henry VIII in 1526 as part of his coinage reform, named for the crowned Tudor double rose on its reverse.
British
United Arab Emirates Dirham
Federal currency introduced in 1973 after the formation of the UAE, unifying the emirates' varied prior currencies into a single dirham divided into 100 fils.
Asian
Australian Florin (pre-decimal)
Pre-decimal Australian silver florin worth two shillings, minted from 1910 until decimalization replaced it with the 20-cent coin in 1966.
Africa & Oceania
Mexican Gold Centenario (50 Pesos)
Mexico's iconic gold coin, first struck in 1921 to mark a century of independence, depicting the Angel of Independence and still produced today as bullion.
Bullion
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
Byzantine Gold Histamenon Nomisma
A distinctive concave (cup-shaped) Byzantine gold coin introduced in the 10th century as the full-weight companion to the flat tetarteron nomisma.
Ancient
US Seated Liberty Dollar
Mid-19th century American silver dollar showing Liberty seated on a rock, produced from 1840 until being replaced by the Trade Dollar in 1873.
United States