This Autographed White Wilson Proline Size 48 Jersey has been Personally Signed by Dan Marino of the Miami Dolphins. This item is 100% Authentic to include a hologram by Beckett Authentication Services. This item will come with an affixed Beckett Authentication Services (BAS) authentication sticker, which includes a scannable QR code to verify authenticity. Please note that Beckett no longer provides serial-numbered COA cards, and the attached BAS sticker will serve as the complete authentication for this item. The authenticity can be verified on Beckett Authentication Services website. This jersey was also previously authenticated by Upper Deck, but it will not come with its matching Upper Deck COA card.