Commemorating Italo Balbo’s 1930 flight of twelve Savoia-Marchetti S.55 flying boats from Orbetello Airfield, Italy to Rio de Janeiro, Brazil between 17 December 1930 and 15 January 1931. The poster is listed as from 1931 – I.G.A.P. Roma, 98 cm x 140 cm, artist : Umberto Di Lazzaro. This is where the term ‘Balbo’ for a large formation of aircraft, originated.
James Kightly, Vintage Aero Writer.