Chuck Knoblauch Autographed Official MLB Baseball New York Yankees "91 AL ROY" Beckett BAS Witness Stock #212255 GuerreroJr-Vladimir This is a 3x5 Index

Chuck Knoblauch Autographed Official MLB Baseball New York Yankees "91 AL ROY" Beckett BAS Witness Stock #212255 GuerreroJr Vladimir This is a 3x5 Index This is a 3x5 Index Card that has been hand signed by Frank Thomas This item has been certified authentic by Beckett Authentication (BAS) and comes with their tamper proof sticker and matching full page certificate of authenticity Beckett Authentication has recently changed their physical certificate card policy where they no longer match their serial numbered hologram with a physical certificate " This item has been witnessed and certified authentic by Beckett Authentication (BAS) and comes with their tamper proof witness sticker