Netherlands East Indies. 1941. Air Mail envelope addressed to Switzerland bearing SG 409, 40c yellow-green, SG 434, 30c bistre and SG 441, 2g blue-green tied by Batavia date stamp '6th Aug 41' with 'Diboeka Oleh Censuur' label tied by circular 'Censuur/ 4' hand-stamp endorsed 'Per K.L.M. to Singapore/ Trans Clipper to USA/PAA to Europe' . Superb item routed paying the 2 70 rate over two oceans.