The 1997 Skybox Metal Universe Ken Griffey Jr #145 trading card is a valuable collectible for fans of baseball and the Seattle Mariners. Manufactured by Fleer/SkyBox International, this sports trading card features the iconic player in the Major League Baseball (MLB) season of 1997. The card is part of the base set for that year and offers a glimpse into the career of Ken Griffey Jr during his time with the Seattle Mariners. A sought-after item for collectors, this card represents a piece of baseball history.