1921, two error of colors, 100r brown orange on thin paper and 200r olive on ordinary paper, both with full OG, NH, VF, Est. $150-$200 (Image)

1922, 25k violet and black, bottom right corner sheet margin single with black color is inverted, in addition ghost impression of black frame at bottom, full OG, previously hinged, VF and rare, a common stamp is included, Est. $250-$300 (Image)

1922, black error surcharge ''1.0000r'' on 40r slate, space between surcharge lines is 7mm, basic stamp is large size, full OG, NH, VF and scarce, Soviet Philatelic guarantee hs on reverse, C.v. $4,250, Est. $1,500-$2,000 (Image)

1922, red surcharge 5000r on 1r orange, two stamps, one of which with inverted, the other one with strongly shifted surcharge, both have full OG, NH (shift) or VLH, VF, Est. $100-$130 (Image)

1922, inverted red surcharge 5000r on 5r blue, full OG, NH, VF, Soviet Philatelic guarantee hs, Est. $100-$130 (Image)

1922, red surcharge 10,000r on 40r slate, group of eight stamps and one cover, each item is showing different surcharge varieties, including inverted, double, double one inverted surcharges, deformed and missing numerals and letters of surcharge, seven stamps with full OG, NH or hinged, one used, all mounted on exhibition style page, mostly VF, Est. $600-$750 (Image)

1922, red surcharge ''R.S.F.S.R.'' with dots after Russian letters 10,000r on 40r slate, basic stamp is small size with small angle of watermark to the bottom, right sheet margin single, full OG, NH, VF, Soviet Philatelic guarantee hs, C.v. $1,650, Est. $600-$750 (Image)

1922, strongly shifted to the bottom red surcharge ''R.S.F.S.R.'' with dots after Russian letters 10,000r on 40r slate, basic stamp is large size with small angle of watermark to the right, left sheet margin single, full OG, previously hinged, VF, expertized by Z. Mikulski and others, P. Buchsbayew certificate, Est. $200-$250 (Image)

1922-23, imperforated essay of worker 3r in blue (unissued denomination due to postal rate changed), left sheet margin single printed on thin creamy paper, full OG, NH (hinged on selvage away from the stamp), VF, essays on cream paper are scarcer then the similar essays on white paper, Est. $140-$180 (Image)

1918, Saving stamp of 1k red on buff network, proof sheetlet of ten (5x2) values, overprinted ''Obrazets'' at the top margin, with partial perforation on the left and upper edges, full OG, NH (hinged on margins), VF and extremely rare, this item was sold in our Auction #77 (lot #1547) for $3,500 plus appropriate commission, Est. $3,500-$4,000 (Image)

1922, two surcharges in violet or red violet 100,000r on 100r orange, printed on ordinary paper, both with full OG, VLH (red violet) or previously hinged, VF, Standard Cat. #MH3, a, Est. $150-$200 (Image)

1919, 3.50r maroon and light green, right sheet margin imperforated single, horizontal varnish lines, perfect stamp in every respect, full OG, NH, VF and scarce, Raritan Stamps guarantee, C.v. $4,000, Est. $2,000-$3,000 (Image)

1919, 7r dark green and pink, bottom sheet margin imperforated single with horizontal varnish lines, side margins typical for this issue, full OG, previously hinged, VF and scarce, C.v. $1,550, Est. $1,200-$1,500 (Image)

1922-23, litho surcharge 5r on 20k blue and carmine, imperforated cross-gutter block of four, nice and post office fresh, full OG, NH, VF and rare positional piece, Est. $750-$1,000 (Image)

1922-23, litho surcharge 20r on imperforated 15k lilac and blue, top sheet margin single from the position 8, full OG, NH, VF and rare stamp, Z. Mikulski certificate, C.v. $20,000, Est. $4,000-$5,000 (Image)

1918, 70k brown, nice four-side margin imperforated single, full OG, NH, VF and very rare in pristine never hinged condition, Soviet Philatelic hs on reverse and Raritan Stamps guarantee, C.v. $26,250, Est.$4,000-$5,000 (Image)