A coin can be worth a ton of money -- a pretty penny, one might say -- if it's rare and has enough historical significance. Check Out: These 4 Rare Nickels From Over 20 Years Ago Are Worth a Ton ...

The half dollar is one of the most popular U.S. coins to collect. Though many aren't worth more than their face value, older ...

Canada did away with its one-cent coin more than a decade ago. It could offer insight into what the U.S. may be on the verge ...

The president isn't the first person to call for an end to the penny, and this issue is deeper than wasteful spending.