1924, Lenin Mourning, 6 k. Photographic Essay in sepia, imperforated horizontal pair on glazed card, unaccepted design by Dubasov, tiny stain of no importance on reverse, otherwise very fine and rare

1924, Lenin Mourning, 6 k. Photographic Essay in black, imperforated horizontal pair on glazed card, unaccepted design by Dubasov, right essay insignificant natural paper abrasion spot and tiny paper weakness at the lower left corner, still very fine, a rare multiple

1924, Lenin Mourning, 6 k. Photographic Essay in black with additional red frame, imperforated horizontal pair on glazed card, unaccepted design by Dubasov, foreign brown paper adhesion on reverse of no importance; very fine, a rare and spectacular multiple

1924, Soviet Definitives 1 k.- 14 k., 20 k.-5 r., all perf. 14¼:¾ or 13½, fresh colours, unused, very fine

1926, 7 k.- 5r., cpl. set imperforated on smooth white paper in blocks of four with sheet or corner margins, fresh colours, mint never hinged, very fine

1931, Dirigible Balloon Construction 50 k. gray-blue, well centered, mint never hinged with sheet margin, extremely fine 

1931, Dirigible Balloon Construction 50 k. gray-blue, fresh colours, unused, very fine

1932, Airmail 15k. blue-grey, perf. L10½, mint never hinged, fine and scarce, certificate Frenkel (2019)

1933, Stratospheric Ballon 5-20k., all with sheet margin, mint never hinged, very fine

1933, Red Banner 20kop. multicoloured with upper sheet margin, perf. 9½, mint never hinged, very fine and rare, certificate Mandrovski (2007)

1934, Stratosphere Disaster 10k., perf 13 3/4, used with usual cds. of Kazan, very rare and fine, certificates Mandrovsky (2008) and Buchsbayew (2017)

1934, Stratosphere Disaster 20k., perf 14, mint never hinged, one of the rarest stamp of Sovjet Union, very fine, certificate Mandrovski (1998)

1935, Rescue the research steamers Tscheljuskin 1-50 k. vertical watermark, mint never hinged

1935, 3rd. International Spartakiad 1-40k., mint never hinged, fine

1935, 40th Anniversary of Friedrich Engels Death 5-20k., mint never hinged, 20k. signed, fine

1935, Moscow-San Francisco 10 k. dark brown, Position 1, fresh colours, used, very fine

1943, Soviet commemoratives 30 k. sepia and 30 k. greenish-blue, tied by cds. "SSSR LENINGRAD 19 6 43" to registered envelope to Chanty-Mansijk with adjacent registration hs., reverse military censor and transit cds. "OSTYAKO VOGULSK 24 7 43", correct 60 kopek rate; some soiling at left, otherwise very fine. Very scarce blockade mail from besieged Leningrad.

1941, People´s Milicia 30 k. blue, neatly tied by cds. "GRYAZI 14 7 42" to postcard to Uren, written by a soldier on his way to the theater of war; some trivial toning and one short perf., a couple of minor card creases away from the adhesive, still fine and extremely scarce stamp on cover, certificate Leupold (2019)

1950, Moscow Skyscrappers 1 r. blue on chamois, black on chamois, green on yellow, dark brown on bluish, black, and red-brown on light brown paper, six blocks of four with sheet or corner margins, fresh colours, mint never hinged, extremely fine, scarce group

1958, Voroshilovgrad Locomotive Factory 40 k. dark brown/brown yellow, perf. 12:12½, fresh colours, mint never hinged, imperceptible trace of a light corner bend mentioned for accuracy, otherwise very fine, scarce unissued stamp

1970, 10K. Beethoven, artist signed die proof in black on laid paper without gum, mint hinged, with creases and stain in the right lower corner, small tear on the top, otherwise fine, additionally artist signed postal stationary letter, mint hinged

1974, Foreign Paintings in the Museums of the USSR 16-20k., horizontal pairs, mint never hinged, rare, fine

1976, Nametkin 4k. imperforated with bottom sheet margin, mint never hinged, fine and rare

1976, XXV congress of CPSU 4k. Perfecting industry and increasing agricultural production, with left resp. right sheet margin, mint never hinged, rare, fine

1976, Intercosmos 20k. imperforated, from upper sheet margin, mint never hinged, very fine and rare