The product is a 1991 Post Collector Series trading card featuring Cal Ripken Jr. of the Baltimore Orioles. This card is part of a set of 30 cards, with the current card being number 19. Manufactured by MSA, the card is a base set variety from the Major League Baseball (MLB) season of 1991. A must-have for any baseball card collector or fan of Cal Ripken Jr. or the Baltimore Orioles.