MAINLY REFERENCES GROUP: 1899-1920, 138 mint and used stamps, representing all Russian issues for Chinese Offices, including 15 or so inverted ''Kitai'' overprints all either obvious forgeries or look dubious, several overprints in colors, which never exist, some nice and valuable items, such as ''Dollars'' surcharges on the high values, used Harbin surcharge 10c over 10k/7k and others, full/large part of OG or used, F/VF, Est. $250-$350 (Image)

1903-05, diagonal blue surcharge 10pi on 1r brown, pale brown and orange printed on vertically laid paper, right sheet margin imperforated (!) single, a part of perfin Obrazets at top left, full OG, LH, VF and scarce, Est. $200-$250 (Image)

CLEAN AND VALUABLE UNIT: 1879-1913, over 450 mint and used stamps, starting with Numerals on laid paper, then early surcharges and 50th Anniversary of the R.O.P.i T., all complete sets of City overprints, including numerous varieties, surcharges on Romanov Dynasty with duplicates, later issues with complete sheet of No.202 and 14 Wrangel's Army stamps, fresh condition, full/large part of OG or used, F/VF, C.v. is over $3,600, Est. $1,000-$1,200 (Image)

OUTSTANDING HOLDING OF ''ODESSA'' AND ''WILD LEVANT'' ISSUES : 1919-21, 445 stamps of R.O.P.i T. overprints and surcharges with numerous varieties in singles, pairs and blocks, then over 400 stamps representing Numerals, including complete pane of 20pa brown, and R.O.P.i T. Arms in various colors in two different sizes (so-called ''Wild Levant''), including tete-beche pairs and blocks, stamp with inverted Arms and etc., fresh quality unit, full OG or no gum as issued, F/VF, Est. $600-$800 (Image)