1858 10k brown & blue, thin paper, tied by a neat strike of the pre-philatelic "Riga" 3 May 1858 cds on partly printed "Pris-Courant af Westberg & Comp. in Riga", sent to Helsingfors, with framed "ANK 21/5" Finnish arrival datestamp on back, v.f., ex-Frederick Small collection (Cat No. 2) (Image)

Est.$500

1858 10k brown & blue, tied by "49" in circle of dots on part of a FL (side panels missing) from Tiflis to Kutaisi (addressed to the secretary of the Caucasus Committee for Railroads), with Oct. 1, 1862 departure cds on back, red handstamp at lower left, fine (Cat No. 2) (Image)

Est.$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.$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.$500

1858 10k brown & blue, thin paper, tied by "443" in rectangle of dots on complete FL from the "Fratelli Rocca" company in Berdyansk to their offices in Odessa, with September 1859 docketing, filing fold and little ageing well away from the stamp, fine (Cat No. 2) (Image)

Est.$500

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

Est.$500

1858 10k brown & blue, thick paper, tied by "235" in rectangle of dots on FL to Riga, with bilingual "Windava Windau" departure cds and framed "Polucheno 26 Feb 1858" on arrival, slight ink toning, otherwise fine (Cat No. 2) (Image)

Est.$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.$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.$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.$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.$500

1924 10k on 5r green, basic stamp wide "5" variety, Sevastopol cds, v.f., cat. $700 (Cat No. C7a) (Image)

Cat. $700, Est.$250

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

Cat. $1275, Est.$750

1935 Moscow-San Francisco 1r on 10k (Levanevsky), two copies, one with lower case Cyrillic "f" ("small f variety"), n.h., the latter with natural marginal creasing, the former signed Goznak and Diena, v.f., cat. $4000 (Cat No. C68,68b) (Image)

Cat. $4000, Est.$1,500

1931 (4 May) first flight Leningrad to Berlin, registered and flown cover with attractive franking and appropriate cachet, v.f., arrival pmk (5.5.31) on back (Image)

Est.$150

1922 Philately for the Children, second printing, n.h., fine-v.f. set of six, cat. $1630 (Cat No. B24-29) (Image)

Cat. $1630, Est.$500

1922 Philately for the Children, second printing, overprint inverted (reading up), 1k orange, sheet margin single, position 15, h.r., v.f., with Hovest certificate, cat. $825 (Cat No. B24a) (Image)

Cat. $825, Est.$250

1922 Philately for the Children, second printing, overprint inverted (reading up), 1k orange, sheet margin single, n.h., v.f., with Hovest certificate, cat. $1750 (Cat No. B24a) (Image)

Cat. $1750, Est.$500

1922 Philately for the Children, second printing, overprint inverted (reading up), 5k claret, 10k dark blue, l.h., or n.h., fine-v.f., with Raybaudi certificate, cat. $2575 (Cat No. B27a,28a) (Image)

Cat. $2575, Est.$500

1923 Philately for Labor, complete set of five, mostly l.h., v.f., with Sorani and Hovest certificates, cat. $1620 (Cat No. B38-42) (Image)

Cat. $1620, Est.$500

1923 Philately for Labor, complete set of five, used, fine-v.f., cat. $1325 (Cat No. B38-42) (Image)

Cat. $1325, Est.$500

1923 Philately for Labor, complete set of five, used, fine-v.f., cat. $1325 (Cat No. B38-42) (Image)

Cat. $1325, Est.$500

1923 Philately for Labor, silver overprint used, v.f., with Sorani certificate, cat. $850 (Cat No. B42) (Image)

Cat. $850, Est.$350

1930 Moscow-Friedrichshafen flight cover and card, franked with 40k and 80k Zeppelin Issue, used in combination with additional stamps, tied by appropriate cachets, with arrival pmks (Cat No. C12-13) (Image)

Est.$100

1930 Moscow-Friedrichshafen flight cover and card, franked with 40k and 80k Zeppelin Issue, used in combination with additional stamps, tied by appropriate cachets, with arrival pmks (Cat No. C12-13) (Image)

Est.$100