Errors increase the value of collectibles because a limited number go into circulation before it is spotted and corrected. This Georgia quarter is a big one.

A U.S. Mint error with a New Hampshire state quarter created a coin that was sold for nearly $17,000.

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

A coin sitting in a jar or drawer could be worth thousands of dollars if it has a rare mistake from the U.S. Mint. Some 1999 state quarters from Georgia have sold for as much as $10,000 due to unusual ...

A manufacturing error on the 1999 Georgia state quarter has increased the coin’s value, and some collectors are paying as much as $10,000 for the affected 25-cent ...

Got spare change lying around? You might want to check for a quarter from 1999 that could be sold for thousands at an auction. Minting errors make the coin extremely valuable because of its rarity and ...

The 10-year "the 50 State Quarter program," program ran from 1999 to 2008, during which each state received a unique quarter design. Most U.S. state quarters retain their original value of $0.25. Some ...