, the letter was carried to Mombasa where a British East Africa 2½a. was applied and tied by c.d.s. (15/8) and a penstroke, showing, on reverse, Zanzibar and arrival c.d.s The only cover recorded from this obscure Expedition. Photo" /> cover 1898 (Aug) envelope written by Lt. Col. W.A. Broome, an Officer in the Indian Medical Service attached to the 27th Baluchis, to Mrs Broome, Winchester, England with notation<I> "Field Service no Uganda Protectorate stamps available"</I>, the letter was carried to Mombasa where a British East Africa 2½a. was applied and tied by c.d.s. (15/8) and a penstroke, showing, on reverse, Zanzibar and arrival c.d.s The only cover recorded from this obscure Expedition. Photo | Christie's