Los-Nr. 350

1932,  Pioneer airmail cover, carried by "The Flying Carpet" on the first attempt to fly over Mount Everest, franked cover cancelled on return to Calcutta by  cds. " 13 JAN 32 PARK STREET / CALCUTTA", front with "MOUNT EVEREST TRIP" and flight route description labels and purple two line cachet 'American Fliers / In "Stearland", Biplane', a very scarce and interesting flight cover with only 50 pieces flown, signed by aviator Halliburton and Steven Smith, very fine