Ken Griffey Jr. Autographed 1988 ProCards Rookie Card Vermont Mariners Auto Grade Gem Mint 10 Vintage Signature Beckett BAS #14391681
This is a 1988 ProCards Rookie Card that has been hand signed by Ken Griffey Jr. The condition of the signature was graded a Gem Mint 10 by Beckett BAS. This is a Vintage Signature. It has been certified authentic by Beckett Authentication Services (BAS) and comes encapsulated in their tamper-proof holder.