1878/1917, Imperial Post Offices in Siberia and Transbaikal, collection of over 140 covers and cards, highly specialized with postmarks and cancellations, many clear strikes, some better items with 1910 registered postal stationery envelope from “BORZYA ZAB.”, 1915 censored envelope from “DARASUN ZABA. OBL.” to France, 1903 postcard from the small office “KABANSKOE ZABAIK. OB.”, 1917 postcard with scarce red oval “DOPLATIT NERCHINSK” (postage due Nerchinsk), 1910 postal stationery card with framed straightline “ST. ZAIGRAEVO”, also Dzhalinda Amour, Innokentievska Amour, Post Saint Olga, etc., together with some scenic view postcards, parcel cards, etc., slightly mixed condition, neatly housed and expertly described in one album