Manufacturing errors might be annoying when it comes to most products, but they can be a massive moneymaker when it comes to ...

Before you toss your spare quarters into a vending machine or feed them to a CoinStar, consider this: one specific American quarter could be worth a staggering $7 million. This treasure is the ...

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. The biggest one ...

At least five types of errors in colors, markings and metal content have been found in Georgia quarters, according to the U.S. Coins Guide. Collectors often pay the highest amounts, around $10,000 ...

You never know when you might come across a valuable error coin, so it helps to know what to look for. Error coins can be divided into the following general ...