"via Zanzibar", bearing 2a. blue single and block of five and 1896 4a. deep green and 7½a. mauve tied by "MOMBASA/A 12 MR/98", day before month, single circle datestamps, the 2a. block additionally tied by red Registered London oval datestamp; cover with minor creasing, backstamped Zanzibar, Registered Tonbridge Station Office, Penshurst and Registered Folkestone; a remarkable franking. Cator correspondence. S.G. 52, 70, 73" /> cover 1898 (12 Mar.), large "O.H.M.S." cover with "East Africa Protectorate" at lower left, both inscriptions deleted, from Mombasa to Penshurst, Kent, and redirected to Folkestone, endorsed<I> "via Zanzibar"</I>, bearing 2a. blue single and block of five and 1896 4a. deep green and 7½a. mauve tied by "MOMBASA/A 12 MR/98", day before month, single circle datestamps, the 2a. block additionally tied by red Registered London oval datestamp; cover with minor creasing, backstamped Zanzibar, Registered Tonbridge Station Office, Penshurst and Registered Folkestone; a remarkable franking. Cator correspondence. S.G. 52, 70, 73 | Christie's