The Ken Griffey Father/Son 25 Card Collection is a valuable sports trading card set featuring a PSA 6 rookie card of Ken Griffey Jr. The collection includes a mix of original cards made of card stock, with a vintage feel from the MLB World Series era. These Standard-sized cards are hard-signed by Ken Griffey Jr and showcase the iconic Seattle Mariners player in his early career. This limited edition set is a must-have for any baseball card collector or fan of the legendary player. Set include the 1991 Mothers Cookie 4 card set of father and son. Also includes 1990 star and 1991 American sports gold border rare cards. If you need any other info on these cards. Please let me know.