Registered airmail cover franked with 1931 ½a violet & green and 1a mauve & chocolate and 1932 pair 9p deep green GV issue on front plus 1929 4a olive green and pair 6a bistre GV 'Air' issue on reverse (SG 227/228, 233 & 222/223) all tied by BOMBAY G.P.O. REG cds's dated 17 JLY 1937 with printed blue on white 'BOMBAY G.P.O. F 225' registration label on front. Addressed to JAVA, DUTCH EAST INDIES with arrival cds on reverse.