2023-24 NBA Panini Donruss - Blaster Box Topps BG Autographs assures that this

BG Autographs assures that this item contains a genuine and authentic signature and will always be accompanied by a certification of authenticity from one or more reputable companies

Bill Mazeroski Autographed Pittsburgh Pirates Official National League Baseball HOF 01 Inscription BAS

This item has been certified authentic by Beckett Authentication (BAS) and comes with their tamper-proof QR Code sticker that can be verified on https://www

This is a 11x14 photo that has been hand signed by Nick Mangold

We pride ourselves on selling 100% certified authentic autographed memorabilia

2023-24 NBA Panini Donruss - Blaster Box Topps BG Autographs assures that this