China. (French Indo-China). 1941. Air Mail envelope addressed to London bearing Indo-China SG 191, 30c chestnut, SG 240, $2 black and SG 247, 5c carmine tied by Saigon date stamp with boxed 'Venez Vister La Foire Expostion de Hanoi/ 30 November/ 28 December 1941' , endorsed 'via Bangkok' with Bagdad transit and 'Passed by Examiner' censor label and 'Opened by Examiner/ 288' applied on arrival.