Description:Lot of Ken Griffey Sr. professional model equipment to include: Seattle Mariners pro model hat c.1991 retaining New Era tagging and signed "Ken Griffey My Gamer": EX along with a pair of Griffey Sr. Nike game worn cleats c.1991 signed by Griffey: EX-MT. Includes LOA from SCD Authentic David Bushing/Dan Knoll.