China. (Singapore). 1941. Registered Air Mail envelope addressed to Australia bearing SG 495a, 50c blue, SG 496a, $1 brown and grey, SG 497a, $2 red-brown and blue and SG 610, 10c green tied by Shanghai date stamp with matching registered label, routed via Singapore with 'Passed By Censure 60/ A' in violet on face and reverse with instructional hand-stamp 'To Be Forwarded By/ Air From Singapore' on face and Sydney receiver. Very fine.
Large By Air From Singapore known by Proud from (1.8.41) - (13.12.41).