Quick view Griffey Jr., Ken Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners Thad Bosley Back Beckett BAS #10379642 This is a 1989 Upper Deck Rookie Card #1 that has been hand signed by Ken Griffey Jr. Thad Bosley is MSRP: Was: Now: $599.00 Add to Cart
