1858 10k brown & blue, vertical pair, each stamp canceled by pen cross on outer FL from St. Petersburg to Helsingfors, red 5 Feb 1858 departure and "ANK 19/2" arrival datestamp on back, v.f. (Cat No. 2) (Image)

Est.US$2,500

1858 10k brown & blue, vertical pair, each stamp canceled by Riga 15 May 1858 postmark on FL to Libau, filing fold away from the stamps, beautiful cover, signed Mikulski and Herman Toaspern (Cat No. 2) (Image)

Est.US$2,500

1858 10k brown & blue, thin paper, tied by a "38" in circle of dots on outer FL to Helsingfors, framed "Riga 6 July 1858" departure and "ANK 23 7" arrival datestamps on back, small cover abrasion away from the stamps and markings, v.f., ex-Frederick Small collection (Cat No. 2) (Image)

Est.US$500

1858 10k brown & blue, tied by "1" in circle of dots on outer FL from St. Petersburg to Riga, framed 4 March departure datestamp in red, with boxed "Polucheno 7 March 1858" arrival on back, refolded at bottom, v.f. (Cat No. 2) (Image)

Est.US$500

1858 10k brown & blue, tied by Riga 13 June 1858 cds on FL to Reval, boxed "Polucheno 15 June 1858" arrival datestamp, v.f. (Cat No. 2) (Image)

Est.US$500

1858 10k brown & blue, thin paper, tied by "1" in circle of dots on complete FL to Voronezh, framed "St. Petersburg 27 Aug 1858" departure datestamp in red, virtually intact wax seal on back, fine (Cat No. 2) (Image)

Est.US$500

1858 10k brown & blue, thin paper, tied by "1" in circle of dots on complete FL to Jacobstadt (Finland) framed "St. Petersburg 28 May 1858" departure datestamp in red, filing folds away from the stamp, fine cover (Cat No. 2) (Image)

Est.US$500

1858 10k brown & blue, tied by "1" in oval of dots on complete FL used from St. Petersburg to Dinaburg, framed departure (24 May, 1858) alongside, long text (in German), signed Maslowski (Cat No. 2) (Image)

Est.US$250

1858 10k brown & blue, tied by "1" in oval of dots on outer FL used from St. Petersburg to Pernau, red oval "St. Petersburg 26 Sept, 2 PM" departure pmk alongside, with framed arrival (1 Oct) datestamp on back (Cat No. 2) (Image)

Est.US$250

1858 20k blue & orange, thick paper, canceled "Verchovskyi Posadok", good colors and intact perforations, fine stamp, signed Diena, cat. $1700 (Cat No. 3) (Image)

Cat. $1700, Est.US$500

1858 20k blue & orange, thin paper, rounded upper right corner, canceled "Belostok 9 Jan 1873", fine appearance, late usage, cat. $1700 (Cat No. 3) (Image)

Cat. $1700, Est.US$250

1858 20k blue & orange, thin paper, used, well centered with intact perforations on all sides, interesting variety showing broken frame at bottom right, minor perf. correction, v.f., with Hovest certificate, cat. $1700 (Cat No. 3) (Image)

Cat. $1700, Est.US$500

1858 20k orange & blue, thick paper, canceled "1" in oval of dots, well centered, v.f., with 2008 Raybaudi certificate (Cat No. 3) (Image)

Est.US$500

1858 20k orange & blue, thin paper, canceled "1" in oval of dots, good color, fine, signed W.Pohl, with 2005 Raybaudi certificate (Cat No. 3) (Image)

Est.US$500

1870 (4 July) outer FL from St. Petersburg to Helsingfors, franked with 10k brown & blue (Scott No.23), tied by oval "SPB", with red double-circle departure postmark on back, framed "ANK" on arrival, filing fold away from the stamp, fine (Image)

Est.US$150

1922 (30 Dec) cover from Kamenetska to Harbin, franked on back with pair of 7,500r on 250r surcharges, with arrival pmk alongside, oval Postage Due "Doplatit" on front, "78r" by hand, fine RSFSR usage to China (Image)

Est.US$150

1924 15k lemon, l.h., well centered, fresh and v.f. example of this extremely rare stamp, showing rich color and full typographed characteristics, without the usual inclusions and faults, cat. $25000 (Cat No. 287) (Image)

Cat. $25000, Est.US$7,500

1931 80k blue & orange, trial color perforated 10 1/2, tied by red "Proekt 2 July 1931" overprint on a gray presentation card with oval handstamp and signature on reverse, v.f. (Image)

Est.US$2,500

1937 Trans-Polar Flight, complete Menu dated June 30, 1937 "In Honor of the Soviet Trans-Polar Fliers" (Valeri Chkalov, Georgy Baidukov and Alexander Belyakov), The Waldorf-Astoria, New York, fine (Image)

Est.US$250

1937 Moscow Architecture, 40k violet, imperforate vertical strip of three, used, Moscow cds, large margins all around, middle stamp with small stain and slight thin at top, otherwise v.f., rare imperforate strip of three (Zagorsky 466Pa, unpriced used) (Cat No. 603b) (Image)

Est.US$2,500

1938 Chapayev, 1r black & carmine, thick paper, horizontal gutter block of eight, n.h., fine-v.f. (Cat No. 635) (Image)

Est.US$250

1939 30k deep blue, variety imperf. at left, l.h., fine (Cat No. 736var) (Image)

Est.US$150

1945 (16 Apr) 20k stationery card from Archangel to Scotland, both Soviet military and British censor markings, sent by a British Naval officer stationed in Russia towards the end of WWII (Image)

Est.US$100

1947 800 Years of Moscow, 50k horizontal pair imperf. between, n.h., v.f. (Zagorsky 1058Pa,100,000Rub) (Cat No. 1129var) (Image)

Est.US$400

1947 60k red, horizontal pair imperf. between, also horizontal strip of three imperf. at left and between stamps, n.h., the latter with a minor diagonal crease at left, fine-v.f. (Zagorsky 1133Pc,Pd) (Cat No. 1161var) (Image)

Est.US$250