Ken Griffey Jr. Autographed 1989 Donruss Baseball's Best Rookie Card #192 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS Stock #216643

This is a 1989 Donruss Baseball's Best Rookie Card #192 that has been hand signed by Ken Griffey Jr. The condition of the signature was graded a Gem Mint 10 by Beckett BAS. It has been certified authentic by Beckett Authentication (BAS) and comes encapsulated in their tamper-proof holder.