This is a rare and valuable 1991 Upper Deck baseball trading card featuring Ken Griffey Jr, card number 555. The card is professionally graded by Professional Sports Authenticator (PSA) and has a perfect grade of 10. It is a great addition to any sports trading card collection and a must-have for fans of Ken Griffey Jr. The card is from the 1991 season and is part of the Upper Deck set. The manufacturer of the card is Upper Deck, making it a highly sought-after item for collectors.