Nyasaland 1934 First Flight Blantyre to Salisbury

NYASALAND: 1934 FIRST FLIGHT - Blantyre to Salisbury thence to England. Souvenir envelope franked KGV 1/- clearly tied & dated Zomba cds 2-MAR. Cover shows first flight cachet & on reverse Blantyre cds 6-MAR with arrival cds 17-MAR. VF.