The Wisconsin state quarter features a cow, cheese, and an ear of corn. One version of this quarter gives the corn an extra leaf low on the ear. This may have happened when a tool was pushed into the ...

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

From 1999 to 2008, the U.S. Mint issued 50 commemorative circulating quarters to honor each state. Now, some of them, because ...