Italy 1975 Centenary of Aeronautical Engineering, 2 Covers - LOTTO/42747Italy 1975 Centenary of Aeronautical Engineering, 2 Covers

26/10/1975 - ITALY, REPUBLIC - PISA - a pictorial postmark carrying the profile of the helicopter built by Corradino D'Ascanio, which in 1930 took the international records for height, duration and distance, marked the celebration organised by the Faculty of Engineering of Pisa. On 26 October the helicopter AB204 EI 236 of the Folgore paratroopers carried a dispatch from S. Giusto airport, parachuted onto the military school of Pisa - a group of 2 covers with special postmarks - Lotto/42747