This 8×10 photograph was hand signed by Boston Red Sox Hall of Famer Carl Yastrzemski at a private signing. It is accompanied by a Certificate of Authenticity from JSA. It has been professionally framed and double-matted in team colors. 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.