1922, red Airplane overprint on 5th Anniversary of the Revolution stamp of 45r green and black, left sheet margin horizontal gutter block of four, post office fresh quality item, full OG, NH, VF

1923 (February 17), red Airplane overprint on 45r green and black, used together with 12 definitive stamps (10 – on reverse) on registered cover (supposed to be send by air post) from Moscow to France, in fact delivered by surface mail due to the winter closure of the Moscow airfield, postmark ''26.2.23'' on arrival, mostly VF, Z. Mikulski certificate

1923, ''Fokker F-III'', 5r green, wide ''5'' variety, insignificant gum bends as typical for a stamp on thin paper, fresh and nice single, full OG, LH, VF, a great worldwide air mail rarity, only 50 stamps were printed (25 on thin and 25 on ordinary paper), Soviet Philatelic guarantee hs, Z. Mikulski certificate

1924, Airplane Fokker F-111, black surcharge 10k on 5r green, left sheet margin block of four, upper right stamp has narrow ''0'' variety of surcharge (position 12 of 25- stamp setting), full OG (slight spot on gum at top of lower left stamp did not affect the error), NH, VF

1930, Moscow Zeppelin Flight issue, 40k ultra with a dot behind ''40'' at right value tablet and 80k carmine, both with partial margins, perforation 12, full OG, NH, mainly VF

1930, Moscow Zeppelin Flight issue, 40k ultra and 80k carmine, imperforated complete set of two, even margins all around, stamp of 80k with retouched ''8'' at right, full OG, VLH, mostly VF, the high value with Soviet Philatelic guarantee hs, C.v. $3,300

1931, Airship over Kremlin, 20k dark carmine, four-side margins imperforated single with vertical position of watermark Borders and Rosettes, full OG, very light trace of hinge, appears NH, VF and rare watermark variety

1931 (May 15), Airships, 10k-1r, imperforated complete set of five, used on FD registered air mail cover from Moscow to Berlin, arrival ''17.5.31'' date stamp, minor soiling, F/VF

1931, Airship over the Arctic Region, 50k dark gray blue, error of color, tiny natural paper inclusion, still full OG, previously hinged, F/VF, C.v. $500

1932, Airship over the Dnieper Dam, 15k gray black, engraved printing, perforation 10½, nicely centered stamp with intact perforation, neat CTO cancel, VF

1932, Airship over the Dnieper Dam, engraved printing, perforation 14, used on cover from Moscow to England in 1936 together with 11 different definitive or commemorative stamps, no backstamp as always on regular mail to UK, minor flap imperfection, still F/VF

1931, Ice-Breaker ''Malygin'' (North Pole Zeppelin Flight), 30k-2r, imperforated complete set of four, even to large margins, full OG, NH, VF, C.v. $217

1931, Ice-Breaker ''Malygin'' (North Pole Zeppelin Flight), 30k-2r, complete set of four, comb perforation 12x12½, nicely centered for this difficult issue, full OG, NH, VF, C.v. $470

1931, International Polar Year, 50k carmine, perforation 12 and 1r green, perforation 10½, complete set of two, full OG, NH, VF, C.v. $225

1932, International Polar Year, 50k carmine and 1r green, complete set of two, both with perforation 12, full OG, NH, VF, C.v. $315

1933, Stratostat ''CCCP 1'', 5k-20k, complete set in blocks of four, including two blocks of 20k, one of which has perforation between right stamps reinforced by light hinge, the other one is folded once along horizontal perforation, post office fresh quality unit, full OG, NH, VF

1934, Civil Aviation, 5k-80k, complete set of five, printed on paper without watermark, minor perf irregularities at the top of 5k value, fresh full OG, NH, mostly VF, C.v. $530

1934, The Stratosphere Disaster, 5k-20k, 21 mint and used stamps, including complete set of three, two stamps of 5k with perforation 14 (NH or LH), set in blocks of four (CTO) and block of 5k (NH), full OG, NH or LH, mostly VF

1934, The Stratosphere Disaster, 5k-20k, complete set of three, nicely centered and post office fresh, full OG, NH, VF, C.v. $295

1934, Airships, 5k-30k, complete set of five, nicely centered, full original bright and shiny gum, NH, VF, C.v. $1,020

1935, Chelyuskin Rescue, 1k-50k, complete set of ten, nice and fresh unit, full OG, NH, VF and scarce in such condition, P. Buchsbayew certificate for the set from 5k to 50k

1935, Moscow – San Francisco Flight, red surcharge 1r on 10k dark brown, position 18 of 25-stamp setting, full OG, NH (2mm spot of gum disturbance in the middle of stamp), VF, Soviet Philatelic guarantee hs, C.v. $1,275

1935, Moscow – San Francisco Flight, red surcharge 1r on 10k dark brown, lower case ''f'' variety of surcharge (position 7), full OG, previously hinged, VF, Soviet Philatelic guarantee hs, C.v. $1,500

1937, Aviation Exhibition, 80k blue violet, buff and brown, top left corner sheet margin horizontal pair, left stamp with a stroke inside ''0'' at left value tablet (position 1), full OG, NH, VF

1937, Aviation Exhibition, 1r black, red brown and buff, souvenir sheet of four, post office fresh quality, full OG, NH, VF, C.v. $450