The 1989 Upper Deck - Star Rookie Ken Griffey Jr #1 (RC) is a highly sought-after sports trading card featuring the talented baseball player Ken Griffey Jr from the Seattle Mariners. This card, part of the base set by Upper Deck, showcases Griffey Jr as a rookie player in Major League Baseball during the 1989 season. As a collectible item for fans and collectors, this card holds value due to Griffey Jr's status as a Hall of Famer and its historical significance as his rookie card.