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

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
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
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
Lewis and Clark Gold Dollar Commemorative
A commemorative gold dollar honoring explorers Meriwether Lewis and William Clark, struck in 1904 and 1905 for the Lewis and Clark Centennial Exposition in Portland, Oregon.
Commemorative
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
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 8 Reales Pillar Dollar
Minted in colonial Mexico City from 1732 to the early 1770s, the pillar dollar's crowned globes and Pillars of Hercules design made it one of the most widely trusted silver trade coins in the world.
Latin American
Panama-Pacific Gold Dollar Commemorative
A 1915 gold dollar honoring the workers who built the Panama Canal, featuring a canal laborer's head on the obverse and two dolphins encircling the denomination on the reverse.
Commemorative
Faustina the Elder Denarius
Posthumous silver denarius honoring Faustina the Elder, wife of Antoninus Pius, struck for two decades after her death and deification in 140/141 AD.
Ancient
Spanish 5 Pesetas Silver (Duro)
Spain's classic large silver crown coin, popularly nicknamed the 'duro,' issued under several monarchs and a provisional republic in the late 19th century.
European
Netherlands East Indies VOC Duit
Copper coin struck by the Dutch East India Company (VOC) for circulation in its Asian trading territories, a common relic of 18th-century colonial commerce.
Asian
New Zealand Florin (pre-decimal)
New Zealand's pre-decimal florin, famous for its kiwi-bird reverse design, circulated from 1933 until decimalization replaced it with the 20-cent coin in 1967.
Africa & Oceania
Sun Yat-sen Memorial Dollar (Junk Dollar)
A Republic of China silver dollar honoring founding father Sun Yat-sen, nicknamed the junk dollar for its reverse image of a traditional Chinese sailing ship, a widely collected 1930s Chinese coin.
Asian
Stone Mountain Memorial Half Dollar
A 1925 commemorative half dollar depicting Confederate generals Robert E. Lee and Stonewall Jackson on horseback, issued to fund the massive Stone Mountain carving in Georgia.
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
Alabama Centennial Half Dollar
A 1921 U.S. commemorative half dollar for Alabama's statehood centennial, notable for depicting a living person and a scarcer '2X2' variety.
Commemorative
New Zealand Half Crown (pre-decimal)
The largest denomination in New Zealand's regular pre-decimal coin series, featuring the national coat of arms, circulated from 1933 until decimalization in 1967.
Africa & Oceania
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
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
Ottoman Para
A small fractional Ottoman coin, historically 1/40 of a kurus, struck for centuries in varying metals as the empire's lowest everyday denomination.
World
Aureus of Augustus
The gold coin of Rome's first emperor, Augustus, who standardized the aureus at roughly 1/40 of a Roman pound and set the gold standard for the empire.
Ancient
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
Kuwaiti Fils
Kuwait's everyday subsidiary coinage, introduced after independence in 1961 as 1/1000 of the Kuwaiti dinar, featuring the Emir's name and national emblems across several denominations.
Asian