This 8×10 photo was hand signed by New York Knicks star Larry Johnson at our in-store public signing. It is accompanied by a Certificate of Authenticity from Palm Beach Autographs and JSA. 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.