1931 (Feb 26) Imperial Airways England-East Africa Service, collection of 15 flight covers as well as documents/newspaper clippings, incl. letter from the Department of Post and Telegraphs giving the number of Irish acceptances for each country destination, special notice dated Feb 23rd given the airmail rates, Imperial Airways printed covers sent London-Assiut, London-Aswan, London-Kareima, London-Shambe, London-Kosti, London-Malakal, London-Juba, London-Butiaba, London-Kampala (Port Bell), London-Kisumu (3, two with GB frankings from Belfast), London Mwanza (3 incl. Air Ministry leaflet, plus an unused envelope, an attractive and scarce lot, some with only 15 Irish acceptances (see album pages)