You don't need to be a coin collector to have piggy banks stashed around your house filled with quarters, dimes, nickels or ...

These are the most valuable stamps from around the world ... pharmaceuticals executive named Arthur Przybyl. Plate 77 Penny Red stamps were, ironically, considered worthless and low quality ...

In 2009, the Strawberry Leaf penny broke records for the most money ... with its red surface intact sold for $149,500 at auction in 2006. How Do You Know if a Penny Is Valuable?