Inspect them for mistakes/errors. Collectors love rare pieces, and nothing shouts one of a kind like mistakes minted on ...

The 1943 Washington quarter is made of 90% silver and 10% copper. The same composition was used from 1932 to 1964. However, ...

The 1993 Washington quarter is made of 91.67% copper and 8.33% nickel. There are also 1993 silver proof Washington quarter coins produced, which are made of 90% silver and 10% copper. In the past ...