This is an Official Leather Wilson NFL Football that has been hand signed by 50 members of the 1969 Green Bay Packers NFL team. Signatures include: Bart Starr, Forrest Gregg, Willie Wood, Dave Robinson, Henry Jordan and Herb Adderley. NOTE: The signature of Ray Nitschke has been deemed a clubhouse version, a common practice of clubhouse/locker room personnel signing on behalf of the athlete. It has been certified authentic by PSA/DNA and comes with their sticker and matching full page certificate of authenticity.