1931-35 Post Office Notices comprising 1931 (Feb 26) new weekly air service, with rates (Nairobi G.P.O); 1934 (Oct 20) Christmas mails, printed and typed notices giving despatch dates (both with Daressalaam c.d.s or Postmaster cachet); 1935 (Jan 18) postal rates (Nairobi G.P.O). Also 1932 (Jan.) British P.O leaflet, extension of East Africa air service to Rhodesia and South Africa; and 1933 (Apr.) Khartoum G.P.O air mail leaflet giving rates. (6).

1931 (Mar 10) "The Uganda Herald", special Air Mail souvenir number, four pages, the front page with an advert for Shell Oil and Petrol with a picture of an aeroplane, and the special printed newspaper wrapper, unused, the newspaper folded to fit into the wrapper with a few minor edge tears, the final page with a piece torn from the base and repaired with tape, attractive and scarce.

1931 (March) First flight covers from Nairobi to Barbados with 23 stamps paying the 85c rate, Nairobi to Kampala but mis-sorted and flown to London, Mombasa to London franked 60c, also Imperial Airways official First Air Mail cover with enclosed publicity letter posted at Kisumu, and Imperial Airways leaflet giving passenger and freight rates posted from Alexandria (Mar 5) to the pilot A.R Prendergast at Mwanza franked 40m with arrival c.d.s. (5).

1931 (May 6) Cover from Kiriella, Ceylon, franked 70c to Mwanza, inscribed via "Karachi - Mwanza", with arrival backstamp (May 26), just five covers flown from Ceylon to Mwanza on the first service by Imperial Airways.

1932 (Nov 26) Large cover to the British & Foreign Bible Society in London containing "Translation of Scripture" franked 9/10 (14 times the 65c per 1/2oz air mail rate) with KGV 10c, 1/-, 3/- and 5/- all cancelled at Arua, a little creasing but an unusual commercial high rate.

1934-45 Air Mail covers including covers to USA franked 75c, 9/40 or 5/05 (inscribed "Clipper Air Mail Service"), to Canada franked 5/75 (inscribed "via Leopoldville, Brazil & Miami"), to Australia franked 1/90, etc., some unusual frankings, all commercial. (8).

Atalanta Crash. 1935 (Oct 26) Air Mail cover from Sweden to Daressalaam with a 65 ore meter mark, backstamped Berlin-Sassnitz T.P.O and at Daressalaam (Nov 5), carried on the "Atalanta" which was totally wrecked on November 3rd when it struck a tree during take off at Kisumu. The mail was flown to Nairobi in "City of Jodhpur" and then taken by Wilson Airways. Repair at lower left corner, otherwise fine and scarce.

1937 Christmas concession on underpaid "all-up" air mail, cover and a front from Kenya or Uganda only franked 15c, handstamped "T" but with British P.O labels explaining that during the Christmas period only the collection of the surcharge due is waived as an exceptional arrangement; and similar unused labels issued by the Post Offices in G.B, Kenya, Southern Rhodesia, Nyasaland or South Africa (strip of five), some of these very scarce. (11).

1935-37 Covers comprising 1935 cover from Kericho to Jamaica franked 65c and large printed pictorial cover from Kilindini to USA franked 2/10 with bilingual violet "BY AIR TO LONDON"; 1936 cover from Japan to Daressalaam endorsed "via Moscow & Irkutsk, Chita - Berlin - Tanganyika" franked 1.10y, backstamps include Hsinking I.N.P.O (Manchukuo); 1937 cover from New York to Nairobi franked 40c inscribed "via Hindenburg" but sent by S.S "Bremen" to Europe and then by Imperial Airways as the airship "Hindenburg" crashed the day after this cover was posted; 1937 covers from G.B to Masindi franked 6d, from Nakuru to USA franked 70c, or from Moshi to Germany franked 4/50 with German Customs examination labels. (7).