This is a Wilson White Football that has been hand signed by 29 NFL Hall of Famers & Alumni. The football is flat and doesn't seem to hold air, but still displays as a nice football, as shown in the pictures. Signatures include Johnny Unitas, Bart Starr, Don Maynard, Yale Lary, Ollie Matson, Bobby Bell, Dick Butkus, Hugh McElhenny & Leo Nomellini. It has been certified authentic by PSA/DNA and comes with their sticker and matching full page certificate of authenticity.