Northern Rhodesia 1939 Barotseland Airmails Return Flight Cover

NORTHERN RHODESIA: BAROTSELAND AIRMAILS: 1939 Flight FORT JAMESON - LUSAKA: Cover intended for the FIRST RETURN flight bearing KGV 1½d tied Fort Jameson cds 4 JAN .9 with Lusaka arrival cds 11 JAN 39 on reverse (most of the small mail missed the first return flight and was carried on the next week's flight). VF, rare. Ex Hudson.