You might not think much about the spare change jingling in your pocket, but there's a particular penny that could be worth far more than one cent. It's hard to believe that something so ordinary ...

These three rare pennies from over 20 years ago are now worth a fortune—find out which coins skyrocketed in value and why collectors want them.

Add Yahoo as a preferred source to see more of our stories on Google. tab1962 / iStock via Getty Images Most of the time, a penny is worth just one cent, but in the case of the most valuable pennies, ...

Several rare versions of the single cent coins, which were officially discontinued in November, are incredibly valuable ...