1922, red Airplane overprint on 45r green and black, right sheet margin vertical gutter pair, full OG, NH, VF and scarce, SC #64 var (Image)

November 29-December 6, 1922, red Airplane overprint on 45k used together with 27 other values (16 on reverse) on pre-printed registered flown cover from Moscow to Berlin, German boxed marking ''Mit Luftpost'', Berlin arrival ''6.12.22'' ds, mostly VF (Image)

1930, Zeppelin issue, 40k dark blue and 80k carmine, two complete sets of two, perforation 12½ and 10½ respectively, nicely centered, full OG, NH, VF, SC #258- 59, A (Image)

1930, Zeppelin issue, 40k dark blue, perforation 12½, left sheet margin single, blue spot over ''ch'' in ''Pochta'' variety (position 40), full OG, NH, VF (Image)

1931, Airships, 10k-1r, complete set in blocks of four, including 20k pale red, all with comb perforation, block of 15k folded once along vertical perforation, post office fresh quality unit, full OG, NH, VF, SC #271A-74A, 273Aa (Image)

1934, Airships, 5k-30k, complete set of five, full OG, LH or previously hinged, F/VF, SC #376-80 (Image)

1935, Chelyuskin Rescue, 1k-50k, complete set of ten, nicely centered and post office fresh, full original white gum, NH, VF, SC #392-401 (Image)

1935, Chelyuskin Rescue, 1k-50k, complete set of ten, nice condition, full OG, LH, VF, SC #392-401 (Image)

1935, Chelyuskin Rescue, Vassily Molokov, 30k dark green, the ''key'' value of a set, nice quality, full OG, NH, VF, SC #399, C.v. 98,000P (Image)

1935, Moscow - San Francisco Flight, red surcharge 1r on 10k dark brown, surcharge position 3 of 25-stamp setting, tiny violet ink spots on the face, otherwise excellent quality single, full OG, NH, VF, Soviet Philatelic guarantee hs, SC #420 (Image)

1935, Moscow - San Francisco Flight, red surcharge 1r on 10k dark brown, position 21 of 25-stamp setting, full OG, LH, VF, Soviet Philatelic guarantee on reverse, SC #420 (Image)

1935, Moscow - San Francisco Flight, red surcharge 1r on 10k dark brown, position 2 (no leg of ''r'' in ''Francisco''), used on registered Express Mail cover from Moscow to Berlin, tied by Moscow Post Office No.9 ''19.9.35'' ds, postmarked on arrival ''21.9.35'', VF ''Rosenberg'' cover (Image)

1935, Moscow - San Francisco Flight, red surcharge 1r on 10k dark brown, position 8 with small ''f'' in San Francisco variety, full OG, NH, VF, Soviet Philatelic guarantee hs, SC #420 Ka (Image)

1937, Aviation Exhibition, 40k violet and black, vertical strip of four imperforated between second and third stamps, CTO with full OG (middle pair is NH), VF, expertized by Z. Mikulski, SC #476 Pa (Image)

1955, North Pole - Moscow Flight, red overprint on definitive stamps of 1r and 2r, complete set in blocks of six (2x3), left middle stamp of each block without dash variety, full OG, NH, VF (Image)

1955, North Pole - Moscow Flight, red overprint significantly shifted to the bottom on Airplane stamp of 2r black and yellow green, block of four with perforation L12½, post office fresh quality, full OG, NH, VF, a common stamp is included, SC #1756A var (Image)

Air Post Official stamps. 1922, red surcharges 12m on Consular fee stamp of 2.25r (type I) and 24m on 3r (type II), full OG, NH, VF, both with Soviet Philatelic guarantees on reverse, SC #SI5-6 (Image)

Air Post Official stamps. 1922, red surcharge 1200m on Consular fee stamp of 3r, type I, position 22 of 25-stamp setting, full OG, NH, VF, expertized by A. Diena, G. Buhler, Raritan Stamps guarantee, SC #SI12 (Image)