Here are 20 rare state quarters worth additional value, according to Gainesville Coins, USA CoinBook and PCGS.

The state quarters program, which ran from 1999 to 2008, inspired many new coin collectors, and some of those quarters are ...

Old silver coins in your collection could be worth a lot more than face value in the current landscape.

Some 21st-century coins are worth more than their legal tender amount, so check your pockets for these circulated coins worth more than their face value.