You may have a few state quarters lost in your couch or collecting dust in your piggy bank. Some may even be worth more than 25 cents.

Starting in 1999, the U.S. Mint began a years-long program where they released aspecially designed quarter for all 50 states. It is widely lauded as the mostsuccessful coin program in the Mint's ...

When the U.S. Mint launched its 50 State Quarters Program in 1999, the point of the 10-year initiative was to honor each of the 50 states and share a little bit of history via free classroom lesson ...

Add Yahoo as a preferred source to see more of our stories on Google. PHILADELPHIA — Some rare U.S. state quarters are no longer worth just 25 cents. Collectors say a few special coins from the 50 ...