Egypt. (Prisoner of War Mail - Red Cross). 1919. Official mail envelope headed 'British Red Cross, Enquiry Bureau Cairo' endorsed 'O.H.M.S.' addressed to 'The Secretary, American Section, International Red Cross, Geneva, Switzerland' cancelled Cairo '19th Mar' with oval 'British Red Cross/ Enquiry Bureau Cairo' dated '17 Mars 1919' in red on face with 'Examined By Base Censor' label tied by boxed 'Passed By Base Censor/ E.E.F.' in carmine on face. Attractive item.