A collection of original portraits of pilots and aircrew who flew the Savoia Marchetti S.55 flying boats on this momentous trans-Atlantic crossing to Chicago and return to Orbetello in 1933, each image with aircraft registration code, some inscribed to verso; together with a quantity of associated copy biographies and flight details of L'illustrazione Italiana dated 18 Giugno 19933, the frontispiece with an image of General Balbo reviewing air and ground crews, 53 images