The product is a set of four circulated 90% silver Washington Quarters, consisting of one coin each from the years 1957, 1958, 1963, and 1964. These quarters were minted in Philadelphia and Denver, have a denomination of 25 cents, and are in business strike type. They are from the United States and are uncertified. The set of coins features the image of George Washington on the obverse and various mint marks on the reverse. This product is a valuable addition to any coin collection, especially for collectors interested in US quarters from the mid-20th century.