Featured is a NFL quarterback greats multi signed envelope. This envelope was hand signed by Bart Starr, George Blanda, Johnny Unitas, Sammy Baugh, and Roger Staubach and authenticated by Beckett authentication services. Included with the item is a Beckett hologram and letter of authentication. SPECIFICATIONS Autographed By: Bart Starr Team: Green Bay Packers Sport: Football Authentication: Professional Sports Authenticator (PSA)