The certificate is numbered Item #1176, references the 8x10 format, and includes witnessing details with the signature of Graham Hill along with initials "GH".
WWF Wrestling Masks Book Fully Complete Hulk Hogan Ultimate Warrior Undertaker
WWF WWE Magazine March 1990 Hulk Hogan Ultimate Warrior Wrestlemania VI
WWF Magazine September 1991, Hulk Hogan/Ultimate Warrior + Merchandise Catalogue
WWF Magazine September 1991 Hulk Hogan Ultimate Warrior Merchandise Catalogue
WrestleMania 6 A3 Signed Framed Poster Hulk Hogan Ultimate Warrior WWF Wrestling