Online chatter has lots of folks looking at their caches of coins hoping to find Lincoln wheat pennies that they unrealistically hope are priceless.

The Lincoln Wheat Penny, valued at staggering prices from $870,000 to $1.7 million, is still in circulation, and a few fortunate Americans could be in for a hefty payout if they stumble upon one.

You've probably seen the oldest Lincoln pennies, the ones sometimes called wheaties, with the two sheafs of wheat on the back ...