This is an official leather Wilson NFL Football that has been hand signed by 45 members of the 1963 Green Bay Packers team. Signatures include: Vince Lombardi, Willie Wood, Jim Taylor, Bart Star, Forrest Gregg, Dave Robinson, Henry Jordan, Jim Ringo, Tom Fears, Herb Adderley, Willie Davis & Jerry Kramer. It has been authenticated by PSA/DNA and comes with their sticker and matching full page certificate of authenticity.