This is a Spalding Football that has been hand signed by 21 members of the 1966-67 Green Bay Packers Super Bowl I Championship team. Signatures include: Vince Lombardi, Bart Starr, Henry Jordan, Max McGee, Boyd Dowler, Marv Fleming, Bob Long, Lee Roy Caffey, Bob Skoronski, Jim Grabowski, Don Chandle, Steve Wright & Jim Tayor. It has been authenticated by Beckett (BAS) and comes with their sticker and matching full page certificate of authenticity.