FIRST FLIGHT COVER GROUP: Range of mainly FF covers inc. 1932 (25 Jan.) regd. env. franked Tanganyika 75c tied Mbeya cds to Broken Hill, N. Rhodesia with typed "By the First Air Mail: London to Cape per Imperial (Africa) Airways Flight From Mbeya to Broken Hill" on rear complete with Cert. of posting with Mbeya cds [one of only ten covers flown from Mbeya], 1932 (27 Jan.) printed Imperial Airways air mail env franked SA 1d & 4d tied Capetown cds's via FF to Bulawayo, 1932 (29 Jan.) printed Imperial Airways env franked 1½d (pair) & 3d tied Broken Hill cds via FF to Nairobi, Kenya, 1933 (9 June) env franked 2d (5, two pairs & single) tied Broken Hill cds's to England [had a forced landing due to bad weather and lack of fuel, stranded in Veld for almost 3 days before relief], plus much more (16 covers) Cross Reference : AIR MAIL COVERS, REGISTERED MAIL (Image)