Only 696 of the last US pennies struck for circulation in 2025 have a small omega (Ω) mark. See how much 2025 pennies with AND without the symbol are worth!
Discover the most valuable Sacagawea dollars in circulation. Learn about rare dates, error coins, and how to identify these valuable coins in your pocket change.
Discover the true value of your 1975 Kennedy half dollar. Learn why coins with no mintmark are common, but the rare 'No S' proof can be worth a fortune.
Tips for building a 20th century type coin set is a collection of coins which includes one of each design from each denomination the United States produced between 1900 and 1999. It's a fun -- and relatively simple -- way to collect U.S. coins.
Some 1972 Eisenhower silver dollars are worth thousands of dollars! See how much your 1972 Ike silver dollars are worth here AND how much silver is in those dollar coins!
There are NO 1933 Washington quarters in existence today - here's why! A list of US quarters you'll never find + How the 1930s Depression affected US coins.
10 Of The Rarest & Most Valuable U.S. Coins - See the rarest and most valuable coins ever made, how much they're worth, and your chances of finding one!