Signatures on the jersey include: Tim Tebow, Chris Leak , Earl Everett , Reggie Nelson , Dallas Baker , Andre Caldwell , Derrick Harvey , Jarvis Moss. This item was hand signed by the athletes and is accompanied by a Certificate of Authenticity from SportsMemorabilia.com. A tamper-evident hologram will be affixed to the item. Signed items are guaranteed to pass any third-party authentication with 100% Money Back Guarantee. Each signature is witnessed by a member of our staff or comes out of a private signing.