The 1990 Collect-A-Books #3 Ken Griffey Jr. trading card is a valuable collectible for baseball fans and card collectors alike. Featuring the talented player from the Seattle Mariners, this sports trading card captures a piece of baseball history from the 1990 season. While this card is not autographed or a rookie card, it is still a sought-after item due to its association with a legendary MLB player like Ken Griffey Jr.