China. (Japanese Occupation of North China). 1941. Envelope written from Pautingfu addressed to 'K.M.A. Bang Chai Chwang, North China' bearing North China 'Hopeh' SG 12D, 8c olive-green tied by Tsingyuan/ Paoting date stamp with Kuyfi transit on reverse. Very fine item from the Japanese Occupation of North China.