Certificate of Authenticity: The autographs on this item have been certified authentic by some of the best authentication companies in the autograph industry. They include James Spence Authentication (JSA), Beckett Authentication Services (BAS) and The Prova Group. ,JSA & BAS are two of the 3 largest & most reputable authenticators in the industry. This piece includes the JSA & BAS tamper-proof authentication stickers and identification cards directly from them, which can also be accessed anytime/anywhere on their online database on their website. Prova Group is actually owned by Emmitt Smith and is his personal authentication he used to guarantee his signatures are the real deal. It doesn't get much better authenticity wise than what this helmet provides!