1941 (4 Sep) censored airmail cover to Bombay, franked on reverse at 2a 3p by 1939 2a vermillion in combination with India 1937-40 3p. slate, tied by individual strikes of temporary EXPERIMENTAL P.O./ K-79 CDS, WITH Bahrain transit cds alongside. Resealed by red on white censor label that is tied on front. Some slight faults to envelope, a rare usage with the temporary cds in use 10 June to 30 Sept ’41 only.