Got exact change? Penny shortages already hitting some retailers

Penny shortages are cropping up at some stores across the United States, including Kwik Trip, Home Depot, Kroger and more.
A Magical Mess on MSN

These Vintage Pennies Are Suddenly Worth a Small Fortune

Dollar 1943 Copper Penny 7 million, though even more recent sales have shattered those numbers. A small number of bronze ...