Ken Griffey Jr. Autographed Hall of Fame HOF Plaque Postcard Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS

This is a Hall of Fame HOF Plaque Postcard that has been hand signed by Ken Griffey Jr. The condition of the signature was graded a Gem Mint 10 by Beckett Authentication. It has been certified authentic by Beckett Authentication Services (BAS) and comes encapsulated in their tamper-proof holder.