Netherlands East Indies. (Trans-Pacific Mail). 1941. Registered Air Mail envelope addressed to Switzerland bearing SG 270, 5c ultramarine, SG 404, 15c ultramarine, SG 405, 20c violet (2) and SG 434, 30c ochre (2) tied by Medan date stamp '17th Sept 41' with matching registered label and 'Door Censuur Geopend' label tied by 'Censuur/ 31' date stamp with circular 'Ned. Indisch Deviezen Insittuut/ Deviezen Censuur/ 4' in carmine on face and reverse, endorsed 'By K.N.I.L.M./ Trans Tasmin/ PAA to USA and onward air-transmission' routed via Singapore with circular 'H' and '2' cachet with Heerburg arrival. Superb item sent over two Oceans.