Ohio quarters marked with an S (produced in San Francisco) can carry the highest value at $15. Of the less-minted states ...

Here are 20 rare state quarters worth additional value, according to Gainesville Coins, USA CoinBook and PCGS. Keep in mind that “error” coins — the ones primarily included on this list ...

This makes them some of the most valuable Washington quarters to collect. If you have a 1932 D coin, you have something quite ...

Check Out: 3 Coins From the 1950s That Are Worth a Lot of Money Read Next: 5 Things You Must Do When Your Savings Reach $50,000 The most valuable U.S. quarters can be sold on the collectibles ...