on piece 1a. on 4c. (2) and 2½a. on 10c. (2) cancelled by "LHASA . TIBET" c.d.s. (Type C4), in combination with India ½a. and 4a. cancelled at Yatung (Type B2), on 1911 (Oct.) OPSO cover front (229x101mm.) registered to the Director General of Posts, Peking.