Airmail cover with manuscript 'First Air Mail Capetown - London 29 January 1932' on front franked with 1931 2d black & sepia and pair 4d black & vermilion GV issue (SG 17 & 19) tied by BULAWAYO cds's dated 28 JAN 1932 with straight line 'FIRST OFFICIAL AIR MAIL' cachet alongside. Addressed to UK. (Muller #5)