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

Manufacturing errors might be annoying when it comes to most products, but they can be a massive moneymaker when it comes to collectible money. Errors increase the ...

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

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