Netherlands East Indies. (Japanese Occupation in Java). 1942. Envelope addressed to Djakarta bearing Japanese Occupation in Java SG 465, 5c blue (4) tied by Bandoeng date stamp '31st Dec 42' with hand-stamp 'Kao Yoo' (Official Mail) and framed 'Ken' etsuzumi' (censored) with oval censor seal in orange and Japanese receiver in Djakarta. Attractive item.