Spain. (Netherlands Indies - Singapore). 1939. Air Mail envelope addressed to Bandoeng, Java bearing Spain SG 896, 15c yellow-green, SG 932, 30c scarlet, SG 945, 1p blue and SG 958, 4p purple tied by Barcelona date stamp '6th Nov 39' with oval 'Censura Militar/ Barcelona' on reverse, routed via Singapore with 'Passed For Transmission' hand-stamp in violet on face, 'via Aerea' erased by two parrall bars in blue ink and forwarded from Bandoeng to Garoet in orange crayon.
Lovely item sent paying the 5,45p Air Mail rate as far as Singapore and then on wards by ship as indicated by the two 'jusqu'a parallel bars.