The product is a highly sought after 1989 Upper Deck Star Rookie Ken Griffey Jr #1 sports trading card, featuring a hard-signed autograph from the Seattle Mariners outfielder. This original card is from the MLB World Series and is graded by Professional Sports Authenticator (PSA) as being in excellent condition. The card is made of 20 Pt. card stock and is a valuable addition to any baseball card collection, especially for fans of Ken Griffey Jr and the Seattle Mariners.