could be worth as much as $3.50 if they have a certain state design, according to Coin Trackers. Ohio quarters marked with an S (produced in San Francisco) can carry the highest value at $15.

The value of a 1999 Georgia State Quarter has been estimated at up to $10,000 due to errors made while the coin was being minted. This quarter is the fourth coin in the 50 State Quarters Program.