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 ...

Right now it costs nearly four cents to make one penny. The U.S. Mint said it lost over $85 million last year on the billions of pennies produced. As conversations continue on the production of ...