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.

Each state received a specific quarter design during a program which ran from 1999 to 2008. However, during this time, some of the 25-cent coins had errors or misprints. These engraved mistakes, ...

The 50 State Quarters program ran from 1999 through 2008, and it remains one of the most collected coin series in American history. Most of those quarters are worth exactly 25 cents. A small number, ...