Don Mattingly Autographed NY Yankees 16x20 Grey Jersey-Beckett W Hologram *Black This is a Hand Autographed 16x20 Photo of Don Mattingly of The New York Yankees.This item has a Beckett Witness Authentication, which Comes with a Beckett numbered hologram and generic Certificate of Authenticity. You can view this item on the Beckett website and it shows when and where the item was signed It was signed either at a public autograph appearance or a Private Signing. This is a stock photo of the item. Although you may not receive this exact item, the item you receive is virtually identical and brand new in great shape.