India 1940 GVI registered cover to Canada with Hong Kong censor and India censor label

1897, Indian Frontier Campaign, Malakand Expedition. Scarce FIELD.P.O.No.10 postmark on cover to USA paying 1 anna postage. The Malakand Field Force was sanctioned by Government of India to put down the rebillion started by one Buner Mullah (Mad Fakir) in the lower Swat Valley. In July 1897 the Postmaster-General of the Punjab and N.W.F . was requested to make special arrangements for the transport of mail in the Malakand and field post offices were set up.