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

Add Yahoo as a preferred source to see more of our stories on Google. A manufacturing error on the 1999 Georgia state quarter has increased the coin's value, and some ...

A mistake made during the minting process can make a coin incredibly valuable, and it's still possible to find some of these ...

There’s something to be said for collecting old coins. Some people do it for the fun of it or to have a cool story to tell. Others do it in hopes of making a profit. Unfortunately, not everyone’s ...

Digging through your change jar? You may want to set aside any quarters from 1999 as one of them may be worth $10,000. While most quarters are worth exactly 25 cents ...

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 ...

Some of the rarest and most valuable coins in U.S. history can attribute their worth to minting errors that fell through the cracks unnoticed. We were able to hunt down numerous instances of rare slip ...

(NEXSTAR) – There are a lot of changes to U.S. money rolling out (or, in the case of the penny, not rolling out) this year, including the addition of President Donald Trump’s signature on paper ...

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 ...