The product is a PSA 9 graded 1989 Upper Deck Star Rookie Ken Griffey Jr #1 trading card featuring the Seattle Mariners. This card is a valuable collectible for fans and collectors of sports trading cards, especially those interested in the rookie season of the legendary player Ken Griffey Jr. The professional grading by PSA Add authenticity and adds value to the card, making it a desirable item for enthusiasts of sports memorabilia.