This is a rare 1984 Don Mattingly Topps Nestle Rookie RC Test Proof #8 Sample #3 D8 baseball trading card. It is an original vintage card made of card stock and paper with a thickness of 20 points. The card features a rookie Don Mattingly, who played for the New York Yankees. It is a Major League (MLB) card manufactured by Topps in the United States. The card is in near mint or better condition and is ungraded. It also has the PROOF feature and is a TEST PROOF parallel/variety.