This autographed custom on-field style adult XL jersey has been personally hand-signed by Colson Montgomery of the Chicago White Sox.This autograph is certified by Beckett Authentication Services (BAS) Witness Certification. That means that a Beckett representative was present when this item was signed. It comes with the numbered authentication scannable hologram with a QR code card that verifies the authentication on the Beckett website.All items are brand new unless stated otherwise. For all signed jerseys up for auction; stock images are used in the listings. Most of our signed jerseys are adult XL unless noted differently; as this is the preferred size for autograph collectors for display purposes. The exact item you receive will feature the same player as pictured; but the signature may be in a different spot; signed in a different color paint pen; or include different inscriptions than shown.