Hong Kong. (India). 1940. Air Mail envelope addressed to the United States bearing India SG 253, 3a yellow /green, SG 257, 8a violet and SG 259, 1r grey and brown (2) tied by Calcutta double ring with boxed 'Not Opened by /Censor/A/ 5' routed via Hong Kong with Victoria /Hong Kong transit and triangular 'Passed Censor / Hong Kong / 9' in blue. Nice routing.