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.

Some state quarters in pristine condition could be worth well over $500. Before using your quarters, check whether you have ...

These eight quarters may look like just pocket change. But in the right hands, they could be exchanged for a fortune.

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

The Wisconsin state quarter features a cow, cheese, and an ear of corn. One version of this quarter gives the corn an extra leaf low on the ear. This may have happened when a tool was pushed into the ...