Philately: ASIA single lots including Special Catalog Malaya Auction #39 Day 3

Mongolei: 1931 Red-band cover from Ulan Bator to China franked by 1926 10m. on 1m. black on yellow a
1931 Red-band cover from Ulan Bator to China franked by 1926 10m. on 1m. black on yellow and 20m. black on blue on the reverse, both tied by '8.V.31' cds, with large double-ring (sender?) h/s in violet, Manchouli transit cds and Chinese Tax h/s "T" in circle. A scarce stamp of the late 20. Dec. 1926 provisional issue.