cover 1910-12 "red band" envelopes (5) all from Kulun (Urga) with C.I.P. frankings comprising 2c. + 4c. (1910) to Kalgan, 1c. (2) + 2c. (2) (1911) to Kweihwating, 2c. vertical strips of three (2) both to Kalgan cancelled by Chinese c.d.s. (Type 1) and 7c. strip of three (1912) registered "AR" to Peking, cancelled by bilingual "URGA" c.d.s. (Type 3), opened-out with some faults and with three adhesives missing