Here are 20 rare state quarters worth additional value, according to Gainesville Coins, USA CoinBook and PCGS.

The 10-year "the 50 State Quarter program," ran from 1999 to 2008, during which each state received a unique quarter design. Most U.S. state quarters retain their original value of $0.25. Some ...

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 ...

(NEXSTAR) – There are a lot of changes to U.S. money rolling out (or, in the case of the penny, not rolling out) this year, including the addition of President Donald Trump’s signature on paper ...