Russian Offices in Mongolia, 1907 (31 Dec.) red-band envelope to Kalgan (21.1.1908 arrival docketing) bearing on reverse Russia "Kitai" overprint 14kop., cancelled by "Urga/Pochtov. Kontora/1" c.d.s. (Tchil. type 4), with another very fine strike adjacent, fine double rate.
Estimate 7,000 - 9,000

Provenance: E.N. Tolman
Mizuhara Meiso, Spink (Hong Kong), 23.1.2011, lot 1513. Est. HK$7,000-9,000 (Image1)

Est. HK$7,000-9,000

Mongolia, 1931 (13 Aug.) envelope to Kalgan bearing on reverse handstamped "Postag" in violet overprint on fiscals 5c. and 20c., the former is interrupted perf. 11, cancelled by "Ulanbator Mongolia" double-ring d.s., and China Junk 4c. applied as Due and cancelled by "Manchouli" bilingual c.d.s. (20.8), with Manchouli Frontier Police censor cachet in violet adjacent, fine usage with the Ulanbator Provisionals.
Estimate 2,000 - 2,500 Est. HK$2,000-2,500 (Image1)

Est. HK$2,000-2,500