India. (Burma-China). 1920. Official mail envelope headed 'On His Majesty's Service' addressed to 'The Commissioner of Imperial Customs, Tengyueh, China' bearing India 'Service' SG 077, 1/2a green tied by 'Experimental P.O.R. 19' double ring '6th July 20' routed via Bhamo with transit '9th July' on reverse. Scarce Experimental Post Office/R. 19', believed to be from Rangoon. Very little is known about these scarce marks. EX Proud.
Lovely item paying the News-Band wrapper rate.