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 ...

State quarters may seem like ordinary pocket change, but certain rare varieties, minting errors, and top-grade examples have become sought-after collectibles with strong investment potential. While ...

Coin enthusiasts will recall the much-ballyhooed rollout of a series of state quarters produced by the U.S. Mint during a 10-year period early this century, back when consumers were still inclined to ...