Zanzibar. (India). 1906. Picture post card addressed to 'S.S. Juba', B.E.A. Protectorate Steamer, Zanzibar' bearing India SG 122, 1/2a green tied by Mazgaon date stamp 'April 4', underpaid with circular 'T' and boxed instructional 'Foreign Postage Due/ 1 Annes Pies' and hand-stamp '1a' in violet on face with Zanzibar receiver '22 Ap' and forwarded to British East Africa with Mombasa arrival 'Ap 28' . Rare item of Postage Due mail into Zanzibar.