British East Africa. (Aden - Rhodesia). 1915. Stamp-less envelope addressed to Rhodesia endorsed 'On Active Service' cancelled on reverse with 'F.P.O./ No 52' date stamp '5th Dec 15', countersigned by the censor and routed via Aden with 'Base Office/ A' transit on reverse '27th Dec' and Bulawayo/ S. Rhodesia bold arrival on face '24th Feb 16' and forwarded to Surrey.
Nice item from Indian Field Post Office No 52 at MAKTAU, Kenya from (11.8.15) - (5.2.16) with transit in the Base Post Office A at Aden listed by Robertshaw (19.10.15) - (4.10.16).