This Autographed Match Worn Blue Pin High Mark Christopher National Core Rock Bottom Golf Polo Shirt has been Personally Signed by John Daly. 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 is a XX-Large sized Shirt. This Match Worn Blue Pin High Mark Christopher National Core Rock Bottom Golf Polo shirt has been worn by John Daly, and comes with a letter of Authenticity from John Daly certifying this is match worn & provenance of the item coming from his personal collection.