Auction 321 - 332 Europe & Overseas Great Britain & British Commonwealth - Day 3

1931, Imperial Airways First Air Mail service London to East Africa, three examples of the illustrated yellow and blue 'rising sun' official envelope, one to Khartoum (Sudan), one to Nairobi (Kenya) and one to Mwanza (Tanganyika), each with typed commemorative letter confirming the inaugural service, some minor soiling and tone spots, otherwise a fine and scarce selection.