China. (Indo-China). 1940. Air Mail envelope addressed to Bombay bearing Indo-China SG 173, 4c blue-green, SG 192, 50c brown and SG 197, 1c brown tied by Saigon-Messageries-Mtems date stamp with 'Control Postal/Militaire' censor label label tied by oval 'Ouvert/Par/L' Autorite Militaire' and Indian 'Opened by censor' label with framed 'Passed by Censor/ A 6' cachet on face with Calcutta and Bombay transit. Very fine.