All of our autographs come with a 200% money back guarantee if item is deemed "not authentic" by any of the 3 major authenticators (JSA, PSA, or Beckett) - If not already authenticated by a top 3rd party authenticator (JSA, PSA, or Beckett), items may be authenticated by players exclusive memorabilia provider. Any item authenticated by us, 757 Sports Collectibles, can be verified at the "verify authenticity" tab on our website. The alphanumeric code on the item's 757 Sports Collectibles hologram will pull up all the infomation regarding the piece including day it was signed, event it was signed at, and usually a picture of the athlete signing the item. Our goal is to bring you the highest level of authentication possible to every autographed item you purchase from us.