The product is a factory sealed box of baseball trading cards from the 1990 Upper Deck High Series. This set features iconic players like Ken Griffey Jr and Sammy Sosa, with cards made of standard card stock material. Autographed by Sosa and authenticated by Upper Deck, this vintage collection captures the essence of the MLB World Series tournament from that memorable season. Perfect for fans of baseball and sports trading cards, this set offers a glimpse into the history and excitement of the game in the early 1990s.