1928, Portrait of Leo Tolstoy, two stamps of 10k in brown black or olive brown, and Tolstoy as Plowman 28k olive gray, imperforated complete set of three essays of unaccepted design, raster printing on stamp paper, full OG (10k olive brown with slight gum wrinkle), LH, VF and extremely rare, especially in complete set (Image)

1937, 10k-1r, 126 mainly mint stamps and 3 souvenir sheets (used - two fantails and one souvenir sheet), eight blocks of four, one block of ten and two panes of 25, numerous perforation and plate varieties, nice condition, full OG with many NH, stamps, F/VF (Image)

1937, 10k-1r, perforation 12 1/2, complete set of six, sheet or corner sheet margin unfolded blocks of four, perfect quality unit, full OG, NH, VF (Image)

1937, 10k-80k, perforation 12 1/2x12, printed on ordinary paper, complete set of five in unfolded blocks of four with additional block of 80k on white paper, five blocks with sheet margins, full OG, NH, VF (Image)

1937, 20k blue green, perforation L12 1/2, printed on ordinary paper, full OG, very light trace of hinge, VF, N. Mandrovski certificate (Image)

1937, 10k orange brown, unfolded block of four with perforation 14x12 1/2 and a single with perforation 11x12 1/2, bottom left stamp of the block and a single with ''Order'' on Pushkin's overcoat variety, full OG, NH or LH (top stamps of the block), VF (Image)

1937, 10k, 20k, 80k and 1r, perforation 11x12 1/2, set of four values in unfolded blocks of four, all but 1r with sheet margins, full OG, NH, VF and scarce group (Image)

1937, 40k rose lake, perforation 14, top sheet margin unfolded block of four, full OG, NH, VF (Image)

1937, 10k orange brown, perforation 11, part of the design is missing, top left corner sheet margin horizontal transition strip of seven, folded once between 4th and 5th stamps, nice and fresh item, full OG, NH (hinged on margins only), VF and with high probability unique piece (Image)

1932, 50k deep red, bottom left corner sheet margin unfolded block of four, full OG, NH, VF (Image)

1932, 50k deep red, two stamps of different shades and thickness of the text at bottom, in addition horizontal pair of non-postal stamp of 50k, mentioned in certificate as proof of that issue, full OG, LH, VF, N. Mandrovski certificate for ''proofs'' (Image)

1927, 40 mostly mint stamps in singles, pairs and blocks, representing two complete sets of seven (one is NH), vertical imperforated pair of 5k with invalidating perforation (NH) and top sheet margin single of 7k (expertly regummed), fresh quality unit, full OG, NH or LH, F/VF (Image)

1927, Worker-Soldier-Peasant, 3k carmine rose, top sheet margin horizontal pair, imperforated at the top, post office fresh quality item, full OG, NH, VF (Image)

1927, Lenin on Armored Car, 5k brown, four-side margin imperforated single, full OG, VLH, A. Rosselevitch guarantee hs (Image)

1927, Smolny Institute, 7k myrtle green, horizontal imperforated pair on thick slightly creamy paper, nice margins, full OG, NH, VF (Image)

1927, Smolny Institute, 7k myrtle green, bottom sheet margin horizontal imperforated pair printed on thinned paper, neat Tula cancellation, tiny thin on margin only far away from the stamps, VF (Image)

1927, Smolny Institute, imperforated proof of 7k in myrtle green (issued color), left sheet margin single printed on watermarked Borders and Rosettes paper, full OG, NH, VF, two expert's hs on reverse (Image)

1927, Smolny Institute, imperforated proof of 7k in myrtle green (issued color), left sheet margin single printed on watermarked Borders and Rosettes paper, full OG, very light trace of hinge, VF, J. Stolow guarantee hs (Image)

1927, Map of the Soviet Union, 14k blue and red, unfolded block of four, each stamp without red on Sakhalin Islands, full OG, NH or LH (1), VF (Image)

1927, Map of the Soviet Union, 14k blue and red, right sheet margin unfolded block of four, each stamp has red color strongly shifted to the top, vertical invalidating perforation, full OG, NH, VF (Image)

1927, Various Nationalities of the Soviet Union, 18k blue, top sheet margin single, imperforated at the top, neatly cancelled, mostly VF (Image)

1927, Workers of Different Races, imperforated proof of 28k in black green and red lilac, slightly different design from issued stamp, printed on paper without watermark, minor usual faults, no gum (probably removed from a presentation card, VF appearance of this rare proof, N. Mandrovski certificate (Image)

1927, 3k-28k, complete set of seven (7k with perforation 11 1/2, used on registered cover in Leningrad on November 7 (date of the Revolution), arrival ds is on reverse, mostly VF (Image)

1932-33, 3k-35k, complete set in unfolded blocks of four, three of which with sheet margins, nicely centered and post office fresh unit, full OG, NH, VF (Image)

1932, Dnieper Dam, 10k ultra, unfolded block of four, top left stamp with a dot in front of ''1932'' (position 27), full OG, NH, VF (Image)