Press Pass Collectibles offers only authentic in-person autographs as well as a 100% money back lifetime Certificate of Authenticity with every single autograph we sell. We offer autographed memorabilia only from the top, reputable, leading suppliers of authentic sports memorabilia. The companies that authenticate these items include Beckett Authentication Services (BAS), Professional Sports Authenticator (PSA/DNA), James Spence Authentication (JSA), Steiner Sports, Upper Deck, Mounted Memories, and Tri-Star Productions. All autographed items come with a Certificate Of Authenticity (COA) from these suppliers that include a hologram on the item. You'll notice that we may stock the same item by more than one vendor. It is your choice on which vendor you want your product authenticity by. All are reputable in the memorabilia business and guarantee items 100%.