Lot 80 : General - Imperial AirwaysGeneral - Imperial Airways : CAPE TOWN-LONDON 1ST REGULAR RETURN SERVICE Mbeya-Nairobi, 5c & 30c of Tanganyika, tied with Mbeya 28 Jan 32 cds cancel. On Springbok illust cover. Typed Mbeya-Nairobi. Addressed to Nairobi. Due to be carried on the first Northbound flight AN47 but this was delayed due to emergency landing in a swamp near Broken Hill. A 'Special Flight' was arranged with the City of Baghdad taking mail on the 2 Feb North, Broken Hill, Mpika, Mbeya, Dodoma, Moshi & Nairobi. All mail on this special flight received Nairobi 3 Feb 32 cancels (Except mail destined for UK). On the reverse Nairobi 3 Feb 32 receiving. Very scarce.