China. (Trans - Pacific Mail). 1939. Registered Air Mail envelope addressed to Amsterdam, Netherlands bearing SG 426, 50c chocolate, SG 427, 60c blue and SG 428, 90c olive tied by Shanghai date stamp '25th Oct 39' with matching registration label, endorsed 'via Hong Kong and per "Imperial Airways" with framed 'JUSQU'A cachet in cross, Hong Kong transit '28/10' on reverse and Amsterdam arrival on reverse '13th Nov 39.
Lovely item routed over the Pacific with boxed JUSQU'A mark in cross applied at Office of Exchange.