Postal History: 1940 (9 Mar) and (2 Oct) censored (Australian opening tape on one side each) airmail covers Manila to the same addressee in Sydney, the first a 2c stationery envelope uprated 8c & 50c adhesives and handstruck with the framed 'PAR AVION/(HONG KONG)'VIA AIR MAIL' and the other franked 2 x 12c adhesives and hand struck with the framed 'PAR AVION/(SINGAPORE)/VIA AIR MAIL' some flap faults though both uncommon (2)