Even among the most involved of coin collectors, certain coins hold a special status as legendary. This rare quarter is one of those legends.

State quarter errors can significantly enhance your coin collection's value. Find out the most notable errors and how to spot ...

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 ...

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 ...