Rhodesia. (Southern). 1942. Air Mail envelope headed 'Prisoner of War Post' addressed to 'British Prisoner of War, c/o Agence Centrale des Prisonniers de Guerre, Geneva, Switzweland' bearing SG 54, 1d violet and scarlet and SG 58, 4d green and brown tied by Mazoe double ring with 'Opened by Examiner/ 3825' censor label. Very fine.