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.

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 ...

Once known as the “Hobby of the Kings,” coin collecting is a global pastime open to anyone with an appetite for accumulation.

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 pieces.