This Autographed Alternate Flash Riddell Authentic Full Size Speed Proline Helmet with the inscription of "All Day" has been Personally Signed by Adrian Peterson of the Minnesota Vikings. 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. This is a BAS Witnessed Protection Program item which means a Beckett Authentication Service representative was present when this item was being signed. The authenticity can be verified on Beckett Authentication Services website. There is a chip and a blemish on this helmet near the signature. Please refer to pictures for the item's condition prior to purchase.