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.
Post Mint Damage is ANY damage a coin has suffered after leaving the US Mint. See how damaged coins are different from error coins, plus the value of damaged 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!
See what the mint mark letters on US coins mean (and how they affect value). A list of coins each Mint facility made + What a coin without a mintmark means!
1932 quarters are worth money! Why? They're made of 90% silver. They were the first Washington quarters. See how much your 1932 silver quarters are worth!
DMPL Morgan dollars are 'deep mirror prooflike' silver dollars. See how they're different from 'prooflike' and 'semi-prooflike' Morgan dollars... and how much they're worth!
