Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1921 Mercury Dime
A key date of the Mercury dime series, struck in unusually low numbers amid a post-World War I economic slowdown that reduced coinage demand nationwide.
United States
1988 Seoul Olympics Coins
South Korea issued a multi-metal coin program for the 1988 Seoul Summer Olympics, ranging from circulating cupronickel coins to gold and silver collector pieces featuring mascots and sporting themes.
Commemorative
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