The product is a 1986 Fleer Baseball's Best Sluggers vs. Pitchers trading card featuring Don Mattingly of the New York Yankees. This sports trading card is part of a set that showcases the top sluggers and pitchers from Major League Baseball (MLB) for the 1986 season. Manufactured by Fleer, the card number is 21 and is a base set variety, perfect for collectors looking to add to their baseball card collection.