Korea. (Manchuria - Japan). 1937. Registered envelope written from the 'British Bible Society, Seoul, Korea' addressed to London bearing Japan SG 238, 30c orange and green and SG 267, 8s olive tied by Seoul vernacular date stamp with instructional 'via Siberia', framed vernacular 'via Siberia' with Provisional label 'Masanpo' and Manchuria 'Hsinking/ I.N.P.O.' transit in violet on face '21st Feb 37' and 'R/ Hsinking' registration label. Very rare item.