The memories that linger of Earnhardt, 24 years after his death in the 2001 Daytona 500, and of the penny given to him by a 6 ...

The next time you decide to put all your spare change into the nearest Coinstar machine, take a moment to sift through it.

Coin values fluctuate, but it's worth checking your coin jars for this rare penny. Who knows? You could be a millionaire.

Let's say you're clearing out your parents' or grandparents' attic and you happen to spot a box full of coins. Or maybe ...