13 Total Signatures: Jim Brown, Troy Aikman, Emmitt Smith, Barry Sanders, Jerry Rice, Deion Sanders, Joe Namath, Jack Lambert, Curtis Martin, Fran Tarkenton, Dick Butkus, Len Dawson and Franco Harris
Autographed item comes with Letter Certificate Of Authenticity (COA) from PAAS Professional Autograph Authentication Services
Certification Number MF34433