cover 1928-33 Sven Hedin ephemera, comprising 1928 envelope from the Swedish Legation, Peking to Alma Hedin, Stockholm, 1933 registered envelope to Alma Hedin bearing N-W.S.E. set, signed "Sven Hedin" on reverse, 1933 envelope from Peiping to Alma Hedin, addressed in Sven Hedin's handwriting and 1933 registered envelope from Punyi to Sven Hedin, Peiping, showing h.s. of Postal Commissioner, Kwantung.