GREAT BRITAIN, 1934 8th May  Postcard,  1st Flight by Autogiro,  from Hanworth to  Hanworth,  special card with picture of airplane,  cachet in red "by autogiro" cachet in red "APEX 1934  London 7-12 May",  Pilot Mr. R. Brie,  signed by passenger Mr. John S. Davis,  Label   "Descriptive" in black on Blue