China. (French Indo-China). 1941. Air Mail envelope addressed to France bearing French Indo-China SG 196, $2 scarlet tied by Haiphong/Tonkin date stamp with 'Controle Postal Militaire censor label tied by oval 'Ouvert/Par/L' Autorite Militaire', endorsed 'Via Pan American Airways & Transatlantic', routed via Hanoi and Singapore with censor tape tied by 'Passed by/Censor/ 293/A' in violet and circular 'B' '11' on face. Very fine single two dollar franking.