1950, North Korea, tractor 10 W. brown, a horizontal right margin pair tied "52.5.29" to reverse of cover with blue boxed North Korea censormark to China, Chekiang province. Sender in China Volunteer Army Nr. 28 group etc. subdivisions. Commercial usage.
Value Add Taxes (19%) will be added to the hammer price and the buyers premium. (Image)

1954, Chinese volunteer army in Korea, stampless cover pmkd. "China Military Mail / 54.11.6 / 89336" to cover to "Shanghai 54.11.15", corner repair.
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Incoming mail to Tibet, 1966, registered cover from Nepal to Lasa w. backstamp "Lasa 1966.3.7, repaired by PRC bilingual repair seal on top and marked in blue "LASA".
Value Add Taxes (19%) will be added to the hammer price and the buyers premium. (Image)

1951/96, meter marks imprint or label on commercial used entires (19, 16 used inland) inc. CC1A on 1951 Shanghai local wrapper, BC6 on 1963 inland registration or 1975 foreign air mail, E1 on 1977 foreign airmail or 1980 inland reg., 1987 HA1D (2) etc., for specialists.
Value Add Taxes (19%) will be added to the hammer price and the buyers premium. (Image)

1952/89 (ca.), all-native "Inland Postage Fee paid" boxed postmarks on mails of 1950s (19), 60s (18), 70s (8), 80s (30), total 105 items. Inc. secret mail in blue, bilingual of national minorities Sinkiang-Szechuan-Inner Mongolia, special for Hongkong/Macao (2), registration, blue police control, airmail ec. for specialists.
Value Add Taxes (19%) will be added to the hammer price and the buyers premium. (Image)

Tibet, 1986, 1 September, postmarks of then all 131 different p.o./postal agency of PRC Tibet Autonomous Region on small cards with colour by district, officially issued set by PRC Tibet A.R. postal administration, official list of p.o./p.a. grouped by the 8 districts included, inc. marking of agency status as such.
Value Add Taxes (19%) will be added to the hammer price and the buyers premium. (Image)