The product is a complete set of 50 State US Commemorative Quarters from 1999 to 2008, totaling 52 coins. Each quarter is composed of clad material with a fineness of 0.9 and is uncirculated and ungraded. The coins feature a business strike type and are uncertified. The set includes quarters representing all 50 states, minted in Philadelphia, United States. This collection celebrates the unique history and culture of each state through the designs on the coins.