East Africa 1927. Experimental Service - Capt. TA Gladstone flight . First flight by the Fairy III D Return partial route - the leg from Kishumu, Feb 15 arrived at Khartoum on Feb. red official circular cachet 'Kenya Sudan 1 air mail Feb 15'. 200 letters were flown the entire return route, only 100 on this leg. Envelope signed by pilot Smith.
