This stitched hockey jersey was hand signed by Philadelphia Flyers Hall of Famer Bobby Clarke at a private signing. It is accompanied by a Certificate of Authenticity from JSA. It is a pro-style custom stitched jersey with no Team logos or league markings. 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.