1874 (6 June) cover franked with 5k and 30k carmine & green, tied by two-line "Dorobino" departure datestamp, which is repeated and struck twice on reverse, addressed to Tula, with 9 June arrival pmk on reverse, fine and attractive cover (Cat No. 22,25) (Image)

Est.US$500

1883 Imperial Arms and Posthorns, horizontally laid paper, 1k-70k, also 2k dark green, all in blocks of four, l.h. at top, bottom pairs n.h., fresh, fine-v.f. (catalogued as singles) cat. $1863 (Cat No. 31-38) (Image)

Cat. $1863, Est.US$750

1889-92 Imperial Arms and Posthorns with Thunderbolts, horizontally laid paper, 1k-7r blocks of four, l.h. at top, bottom pairs n.h., fresh, fine-v.f. (catalogued as singles) cat. $2814 (Cat No. 46-54) (Image)

Cat. $2814, Est.US$1,500

1902-05 2k green, variety Groundwork Omitted, used in combination with 1k and 7k Arms on back of a registered cover sent locally in Riga 7.5.07, with oval Railroad cancels, corresponding Registry label on front, filing fold away from the stamps, fine and extremely rare Groundwork Omitted on cover, with 2021 Buchsbayew certificate (Cat No. 56b) (Image)

Est.US$2,500

1913 Romanov Tercentenary, 2r Winter Palace, imperforate right sheet margin block of four, n.h., post office fresh, v.f., cat. $4000 (Cat No. 102a) (Image)

Cat. $4000, Est.US$1,500

1916 1k brown orange, 2k yellow green, Currency Stamps Without Surcharge, sheets of 100, folded between stamps, n.h., fine-v.f., cat. $10250 (Cat No. 114-115) (Image)

Cat. $10250, Est.US$2,000

1922 20r on 15k red brown & blue, imperforate single, h.r., v.f., handstamped initials on back, with 2013 Buchsbayew certificate, cat. $9500 (Cat No. 224) (Image)

Cat. $9500, Est.US$2,500

1923 (17 Oct) registered cover from Moscow to New York, franked on both sides with RSFSR and Soviet (6k blue) adhesives, 1922 rubles, 1923 rubles and gold kopecks, with arrival pmks, detailed description (ex-Taylor) enclosed. A rare mixed RSFSR/Soviet Union combination cover (Image)

Est.US$2,500

1924 15k on 1r brown, surcharge inverted, l.h., v.f., signed Romeko, etc., cat. $1400 (Cat No. C8a) (Image)

Cat. $1400, Est.US$1,500

1930 Zeppelin 40k and 80k imperforate singles, n.h., v.f., signed Mikulski, etc., cat. $5700 (Cat No. C12b-13b) (Image)

Cat. $5700, Est.US$2,500

1930 80k carmine, horizontal pair used in 1937 with additional franking on registered cover from Moscow to Switzerland, 15k Foreign Exchange surcharge added on back, with Lugano arrival pmk, wax seal removed, fine and interesting commercial usage (Cat No. C13) (Image)

Est.US$250

1931 50k violet brown, imperforate trial color proof on gummed stamp paper, large margins all around, l.h., v.f., signed Kessler. A significant Soviet and Air Post rarity, only 24 (!) recorded, this one being position 18 (indicated in pencil), with "D" Postal Museum handstamp on back, 1997 Buchsbayew certificate (Sanabria 40) (Cat No. C18var) (Image)

Est.US$7,500

1935 Chelyuskin Expedition, 1k-50k complete, n.h. and post office fresh, each stamp well centered, fresh and v.f. A splendid set in superior quality, rarely offered this nice, cat. $2058 (Cat No. C58-67) (Image)

Cat. $2058, Est.US$1,000

1935 Moscow-San Francisco 1r on 10k Levanevsky, n.h., v.f., signed Goznak, etc., with Sorani certificate, cat. $1275 (Cat No. C68) (Image)

Cat. $1275, Est.US$500

1935 Moscow-San Francisco 1r on 10k Levanevsky, n.h., v.f., signed Goznak, etc., with Caffaz certificate, cat. $1275 (Cat No. C68) (Image)

Cat. $1275, Est.US$500

1935 1r on 10k dark brown, v.f., tied by 26.8.35 Moscow cds on registered Air Mail cover to Berlin, address portion excised, otherwise v.f., with arrival pmk (Cat No. C68) (Image)

Est.US$500

1922 1200m on 10k, Type III, n.h., v.f., signed Diena, Roig, etc., cat. $1500 (Cat No. CO5) (Image)

Cat. $1500, Est.US$750

1898-1900 5k and 7k advertising lettersheets, unused, v.f. and beautiful pair of these scarce and popular multi-advertising stationery lettersheets (Image)

Est.US$750

1922 Philately for Children, Second Printing, complete set of six, l.h., fine-v.f., first and last with 2005 Hovest certificates, cat. $790 (Cat No. B24-29) (Image)

Cat. $790, Est.US$500

1922 Famine Issue, six complete sets, unused without gum, various signatures and certificates, fine-v.f., cat. $654 (Cat No. B30-33) (Image)

Cat. $654, Est.US$300

1926 unissued portrait, commonly known as "Lenin as small child", 20k blue with and without watermark, panes of 100, n.h., fine-v.f. (Zagorsky 0155,158, Rub 224,000 $3,160) (Image)

Est.US$1,000

1931 North Pole imperf. singles, set of four, used on "Leningrad-North Pole" cover and card, with appropriate cachets, v.f., (Cat No. C26-29) (Image)

Est.US$150

1934 Christmas Flight cover franked with the complete set of Airships (C53-57), sent from Moscow (29.11.34) via Friedrichshafen, where German 2M Zeppelin adhesive was added on 8.12.34, flown to Bahia, with Brazil Condor forwarding and 12.12.34 arrival, minor toning, otherwise fine and rare combination franking (Image)

Est.US$1,500

1901 Coat of Arms, 1k red brown, 2k green, panes of 25, n.h., minor perf. separations, v.f. (Chuchin 1,2) (Image)

Est.US$500

1902 2k red, imperforate horizontal pair, h.r., minor gum wrinkles, v.f. (Chuchin 8a) (Image)

Est.US$300