The 1989 Star Griffey Jr. #4 Ken Griffey Jr. 1988 Season 1-White Back PSA 9 Rookie trading card is an original licensed reprint featuring the talented baseball player Ken Griffey Jr. The card is made of standard 20 pt. card stock and has been professionally graded by the Professional Sports Authenticator (PSA). This vintage card from The Star Co. showcases Griffey Jr. as a rookie player for the Seattle Mariners, making it a highly sought after collectible for baseball fans and card collectors alike.