The product is a 1986 Donruss #173 Don Mattingly Yankees trading card graded as a PSA 9. This original card features the Major League Baseball player from the New York Yankees team during the 1986 season. The card is made of card stock and belongs to the base set of the 1986 Donruss collection. It is authenticated by Professional Sports Authenticator (PSA) and is a valuable piece for any sports trading card collector, specifically those interested in baseball memorabilia.