1866/1923, interesting group of over 20 covers, incl. Civil War, Russian Post in China, some rare items like Mi.-Nr. 18-19 and 21-23 Five-Colour franking to Paris (front only), 19xF error "V" instead of "3" (certificate Mandrovski), 137 and 138 on cover and postal receipt, 1923 Mixed Franking RSFSR and USSR with Reclame Vignette (faults) on registered envelope to New York, 1922 Inflation cover (certificate Leupold), etc.; mixed condition, an appealing specialist lot.
