1923, definitive issue, 1k-1r, litho printing, imperforate complete set of ten, all with sheet margins, full OG, NH, mostly VF, C.v. $240 (Image)

1924 (January 19), COD parcel card from Moscow to Tiflis, upon arrival franked by 1 stamp of 5k and 39 stamps of 20k (gutter block of 35 and block of 4), all are imperforates of litho printing, appropriate markings, mostly VF, Est. $150-$200 (Image)

1924, definitive issue, peasant 2k green, perforated and imperforate singles of typo printing, the last one with appropriate four-side margins, both with full OG (imperf stamp has tiny natural inclusion), NH, VF, Est. $300-$400 (Image)

1926, ''Syndicat de Cuir'' (Leather Syndicate) label in red brown on deep orange colored paper with worker 14k gray blue, perforation 14½x15, used on cover from Leningrad to Washington, DC, tied by Leningrad ''7.1.26''ds, no arrival marking as always exists, light horizontal fold did not detract, F/VF, Est. $200-$250 (Image)

1924-25, definitive issue, soldier 3r brown and green, type I, typo printing on paper without watermark, bottom sheet margin imperforated single, marginal fold far away from the stamp, full OG, NH, VF and very rare, especially marginal single in never hinged condition, N. Mandrovski certificate, Est. $4,000-$5,000 (Image)

1925, definitive issue, Lenin 5r brown red and 10r indigo, imperforate complete set of two in horizontal pairs, full OG, NH, VF, C.v. $150 as hinged singles (Image)

1925, definitive issue, 1k-5r, perforated complete set of 23, including both 10k and 2r with perforation 14½x15, printed on watermarked Borders and Rosettes paper, full OG, NH, mostly VF, C.v. $540 (Image)

1925, definitive issue, soldier 3r dark brown and green, perforation 12½, type II, printed on watermarked paper, full OG, NH, VF and guaranteed genuine, C.v. $800 (Image)

1926, definitive issue, 1k-5r, imperforate complete set of 20, most with sheet margins, printed on watermarked paper, full OG, NH, VF, 3k and 6k with neat expert's hs, Est. $200-$250 (Image)

1925, Academy of Sciences, 3k orange brown and 15k dark olive green, complete set of two, both perforated 13¼, housed on page from a Collection, full/large part of OG, VF (Image)

1925-36, Academy of Sciences, Popov, Decembrist Revolt, Revolution of 1905, Esperanto, Zamenhof and Pioneers Helping Post (perf 11), the total is 23 stamps, all with full OG, NH, mostly VF, C.v. $484 (Image)

1925, 20th Anniversary of the Revolution of 1905, 3k olive green, comb perforation 12x12½, complete sheet of 40 (8x5), fresh and unfolded, full OG, NH, VF, Est $300-$400 (Image)

1925, Esperanto Congress, 14k blue green and violet, horizontal pair with gutter between stamps, control markings on the gutter, unfolded and post office fresh, full OG, NH, VF and very rare, Est. $4,000-$5,000 (Image)

1927, black or red surcharges 8k on 3 definitive stamps of 7k brown and 6 commemorative stamps, all with full OG, NH, VF, C.v. $273.50 (Image)

1927, black surcharge (type II) 8k on Postage Due stamp of 2k violet, basic stamp of typo printing on watermarked paper, right margin block of four, full OG, top stamps are hinged, bottom - NH, VF, Est. $400-$500 (Image)

1927-28, 2nd definitive issue, 1k-80k, complete set of 15, full OG, NH, mostly VF, C.v. $253 (Image)

1928-29, definitive issue, Lenin, 3r-10r, complete set of three, perforation 10½, printed on watermarked Lozenges paper, full OG, NH, VF, C.v. $253 (Image)

1931-32, 3rd definitive issue, 1k-1r, imperforate set in pairs or strips of three (no 10k value), full OG, NH (one stamp of 30k strip is LH), VF and scarce, C.v. $1,345++ (Image)

1932-33, 15th Anniversary of the October Revolution, 3k- 35k, complete set of eight, including 10k with perf L12½ (2mm horizontal stripe of gum skipped at bottom), full OG, NH, mostly VF, approximate C.v. $480 (Image)

1933, Ethnographic issue, 1k-35k, complete set of 21, full/large part of OG, F/VF, C.v. $256 (Image)

1934, Lenin Mausoleum, 5k-35k, complete set of five, full OG, NH, mostly VF, C.v. $353 (Image)

1934, Ivan Fedorov, Pioneer of Printing, 20k carmine and 40k slate gray, complete set of two, full OG, NH, VF, C.v. $152 (Image)

1934, Dmitry Mendeleyev, Famous Chemist, 5k-20k, complete set of four, full OG, NH, mostly VF, C.v. $530 (Image)

1934, Dmitry Mendeleyev, Famous Chemist, 5k-20k, complete set of four, full OG, LH, mostly VF, C.v. $284 (Image)

1934, Dmitry Mendeleyev, Famous Chemist, 5k-20k, complete set of four, blocks of four, CTO with full OG, mostly VF, C.v. $158++ (Image)