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, very light trace of hinge mark, VF, a real Worldwide Air Mail rarity, only 50stamps were printed (25 on thin and 25 on ordinary paper), Soviet Philatelic guarantee hs, Z. Mikulski certificate, C.v. $40,000, Est. $15,000-$20,000

1931, Airships, 10k-1r, imperforated complete set of five, nice margins, full OG, NH, VF, C.v. $390, Est. $150-$200

100.00

1933, Stratostat "USSR 1", 5k, 10k and 20k, complete set of three, very well centered and post office fresh, full OG, NH, VF, C.v. $463, Est. $250-$300

150.00

1934, Civil Aviation, 5k-80k, complete set of five, printed on paper without watermark, nice and flawless, full OG, NH, VF, C.v. $530, Est. $250-$300

150.00

1934, The Stratosphere Disaster, 5k, 10k and 20k, complete set of three, perforation L11, beautifully centered, full OG, NH, VF, C.v. $295, Est. $150-$200

100.00

1934, The Stratosphere Disaster, 5k, 10k and 20k, complete set of three used on registered philatelic exchange cover from Moscow to USA, tied by Moscow "21.10.34" date stamp, exchange tax stamp 5k/70k is on reverse and cancelled by 8-line official cachet, NYC "11. 1.1934" transit and Columbus, OH "Nov.2.1934" arrival markings, minor wear on reverse and discoloration on front, still F/VF and extremely rare franking by complete set, Est. $800-$1,000

500.00

1934, Airships, 5k-30k, complete set of five, bold colors and perfect centering, full OG, NH, VF and scarce in premium quality, C.v. $1,020, Est. $500-$600

300.00

1935, Chelyuskin Rescue, 1k-50k, complete set of ten, perfect quality unit without hidden defects, full OG, NH, VF and rare in never hinged condition, C.v. $2,058, Est. $1,200-$1,500

750.00

1935, Moscow - San Francisco Flight, red surcharge 1r on 10k dark brown, position 11 of 25-stamp setting, excellent condition, full OG, NH, VF, Soviet Philatelic guarantee hs, C.v. $1,275, Est. $700-$800

400.00

1935, Moscow - San Francisco Flight, red surcharge 1r on 10k dark brown, small "f" variety, position 10 of 25-stamp setting, nicely centered, full OG, very light trace of hinge, VF, Soviet Philatelic guarantee hs, Rossica certificate, C.v. $1,500, Est. $700-$800

400.00

1937, Aviation Exhibition, 10k-1r, complete set of seven and souvenir sheet of four 1r stamps, all arranged on two pages from a Collection, full OG, NH, VF, C.v. $624, Est. $250-$300

150.00

1938 (March 4), Aviation Exhibition, 10k, 20k and stamp from a souvenir sheet of 1r used on registered cover from Moscow to London, blue crayon cross as typical for incoming registered correspondences, mostly VF, Est. $150-$200

100.00

1944, 10th Anniversary of the Stratosphere Disaster, 1r in various colors, complete set of three, each one with minor printing errors, in addition P. Fedoseyenko 1r dark blue with raster square, all with full OG, NH, VF, Est. $100-$150

75.00

1955, definitive issue, Airplane over the Globe, 2r deep blue, right sheet margin single with strong vertical perforation shift, full OG, NH, VF and a spectacular piece, Est. $100-$150

75.00

1922, red surcharge (type I) 12m on Russian Consular stamp of 2.25r dark blue on green and buff network, top left corner sheet margin single, full OG with minor foxing, NH (hinged on top margin only), VF and scarce positional item, Soviet Philatelic guarantee hs, Est. $100-$150

75.00

1922, red surcharge (type II) 24m on Russian Consular stamp of 3r dark green on rose and light green network, previously bottom sheet margin single (separated during preservation), position 23 of 25-stamp setting, full OG, NH,VF, A. Zverev certificate, Est. $150-$200

100.00

1922, red surcharge (type III) 120m on Russian Consular stamp of 2.25r dark blue on green and buff network, position 15 of 25-stamp setting, full OG, VLH, VF, Soviet Philatelic and Dr. Jemtschoujin guarantee hs, Est. $150- $200

100.00

1922, red surcharge (type II) 1200m on Russian Consular stamp of 10k brown violet on green and buff network, position 16 of 25-stamp setting, full OG, LH, VF, expertized by Z. Mikulski, C.v. $975, Est. $500-$600

300.00

1932, Postal Transports, 5k, 10k and 80k, complete set of three, full OG, NH, F/VF centering, C.v. $337.50, Est. $100-$150

75.00

1922-39, 86 mint stamps and 1 souvenir sheet, starting with RSFSR Airplane overprint, including Airships issues of 1931 and 1934, both Civil Aviation sets, Chelyuskin issue and many more, just several stamps are missing for the period, fresh condition overall, mainly full OG (several stamps are regummed), NH (marked **) or LH/hinged, F/VF, Est. $2,000-$2,400 (website photo)