Most Valuable State Quarter Errors State quarters are fun to collect because of their variation, but some minting errors can bring another level of challenge (and value).

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 ...

A 1999 Georgia state quarter could be worth up to $10,000, according to a blog post from U.S. Coins Guide. The quarter’s high value is a result of several manufacturing errors.

According to a story on GoBankingRates, 1999 state quarters from Georgia have “several types of errors,” with the biggest coming in the form of one you might not catch at first.

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 ...