Lot 50367 – Early 18th century archive of three over sized native, plus nine letters one with Russian negative seal and bilingual Russian and Mongolian

Early 18th century archive of one over sized native cover with two attractive large red chops with Mongolian script all apparently from the Urton Postal service, in addition there are nine letters one with Russian negative seal and bilingual Russian and Mongolian, another showing large red chops in Chinese, also four private envelopes.