Ceylon. (Natal -- Boer War). 1901. Envelope addressed to 'Prisoner of War, Diyatalawa Camp, Ceylon' bearing Natal SG 99, 1d carmine tied by Ladysmith/ Natal double ring with 'Prisoner of War/ Passed Censor / Ladysmith' cachet on face and 'E.R./ Opened under Martial Law' censor tape on reverse with Diyatalawa Camp arrival and oval 'Diyatalawa Camp/ Passed/ Censor' in violet on face. Nice item of incoming mail.