Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "MLB Debut 4-3-89" Beckett BAS Witness Stock #212459 MYS_run6-2 1965 All-Star Selection

1965 All-Star Selection

Every autographed jersey comes with a certificate of authenticity to verify the signature's legitimacy

The Trevon Diggs autograph is in his number "7" with a tamper-proof verification sticker beneath it

This is a Seattle Kraken Inaugural First Game Ticket

It has been witnessed and certified authentic by Beckett Authentication Services (BAS) and comes encapsulated in their tamper-proof holder

Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "MLB Debut 4-3-89" Beckett BAS Witness Stock #212459 MYS_run6-2 1965 All-Star SelectionThis is an Official MLB Baseball that has been hand signed by Ken Griffey Jr. This item was inscribed "MLB Debut 4 3 89." This item has been witnessed and certified authentic by Beckett Authentication (BAS) and comes with their tamper proof witness sticker. Beckett Authentication has recently changed their physical certificate card policy where they no longer match their tamper proof sticker with a physical certificate. A certificate can be printed on