This Autographed Alternate Flat White Authentic Full Size Speed Proline Helmet with the inscription of "SB XXI & XXV Champs HOF 13 (Parcells); S.B. XXI M.V.P. (Simms); LT Was A Bad 'Mother F*****' (Taylor)" has been Personally Signed by Bill Parcells; Phil Simms & Lawrence Taylor of the New York Giants. 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.