The product is a lot of 1 baseball sports trading cards from the 1991 Studio set, featuring players such as Sandberg, Avery, Erickson, Caseco, Ripken, and Chamberlain. These English-language cards were manufactured by Leaf in 1991 and belong to the 1991 baseball season. Each card is not autographed but is a valuable addition for collectors of sports trading cards, especially for fans of these specific players and set