Ken Griffey Jr. Autographed 1989 Final Series Rookies Superstars Rookie Card Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS mystery and comes with a verified

and comes with a verified certificate of authenticity

This is a Postcard that has been hand signed by James J

This is a 3x5 Index Card that has been hand signed by John M

Boston Red Sox 1969 - 1978

NOTE: There appears to be a personalization removal

Ken Griffey Jr. Autographed 1989 Final Series Rookies Superstars Rookie Card Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS mystery and comes with a verifiedThis is a 1989 Final Series Rookies Superstars Rookie Card that has been hand signed by Ken Griffey Jr. The condition of the signature was graded a Gem Mint 10 by Beckett Authentication Services (BAS). It has been certified authentic by Beckett Authentication (BAS) and comes encapsulated in their tamper proof holder.