The 1989 Upper Deck Star Rookie Ken Griffey Jr #1 trading card is a highly sought-after collectible in baseball memorabilia. This card features Ken Griffey Jr during his rookie season with the Seattle Mariners in Major League Baseball. Graded by Professional Sports Authenticator (PSA) as a 6.5, this card is a valuable addition to any sports trading card collection. As part of the base set by Upper Deck, this card captures a key moment in the young player's career and is a must-have for baseball enthusiasts and collectors alike.