Once known as the “Hobby of the Kings,” coin collecting is a global pastime open to anyone with an appetite for accumulation.

These eight quarters may look like just pocket change. But in the right hands, they could be exchanged for a fortune.

The 11-year program, "the 50 State Quarter program," ran from 1999 to 2008, during which each state was given a specific quarter design. Most U.S. state quarters retain their original value of $0.25.

You probably wouldn't think twice about the loose change rattling around in your pocket or sitting at the bottom of your purse. Most of us see quarters as nothing more than laundry money or parking ...