Both signatures are on the interior. Page 39 is signed by Bronko Nagurski (Deceased 1990) in blue marker just above his picture. Page 49 is signed by Sammy Baugh (Deceased 2008) in blue marker just above his picture. Lot also includes a 6"x4" color photo of Sammy signing the book. Both signatures certified authentic by CAS. Program itself has spine stress with color break, some discoloration to both covers, but mostly on the back, and light scratching on the front cover.