This 1/2 roll of 20 State Quarters is made of 90% silver with mixed years of gem BU quality and proof strike type. The coins are ungraded and uncertified but are uncirculated and have been minted in San Francisco, United States. The denomination is 25C and the variety is State Quarters. The composition of the coins is silver with a fineness of 0.9. The KM number is 2001 and the years range from 2000 to 2019.