1857 10k brown & blue, imperforate single with large margins all around, canceled "VALK" in oval, v.f. (Cat No. 1) (Image)

Est.$250

1858 10k brown & blue, two copies, each cancelled by blue "19" in circle of dots (Kowno), fresh and fine-v.f. (Cat No. 2) (Image)

Est.$300

1858 30k carmine & green, thick paper, watermarked "3", excellent colors, neat "Balta 20 Nov. 1865" cancel, v.f., cat. $2750 (Cat No. 4) (Image)

Cat. $2750, Est.$1,500

1868 vertically laid paper, 1k black & yellow, imperforate single, adequate margins, with shifted background as always, used, some creases, fine appearance. This variety exists only used, cat. $7250 (Cat No. 19f) (Image)

Cat. $7250, Est.$3,000

1883 (19 July) 3k stationery card from the "Libraire et magasin de musique de Boleslas Koreywo a Kieff", addressed to Pressburg, Austria, with Hungarian 2k rose lilac added on arrival, cancelled Pozsony July 3, 83, redirected to Mainz, with Ausg. (4 Aug) arrival pmk at bottom, fine redirected card from Russia to Pressburg (Pozsony in Hungarian, present day Bratislava) (Image)

Est.$500

1884 7k blue perf. 14 1/2x15, groundwork inverted, unused, well centered, tiny thin, otherwise v.f., rare (7k blue was issued in 1884 and again in 1888; there are differences in perforation and size of the stamp), with Mikulski certificate (Cat No. 35b) (Image)

Est.$2,500

1884 7r gold, black and imperial pink, perforated essay (square format) on gummed, vertically laid paper, v.f. and beautiful item, ex-Kirchner (Cat No. 40E) (Image)

Est.$10,000

1889-92 1k-7r group of 15 different, each with framed "Specimen" overprint, fine-v.f., rare (Cat No. 41-54S) (Image)

Est.$2,500

1889 5k purple and light green, perforated essay, unadapted octagonal design, v.f. and beautiful item, signed Mikulski (Cat No. 49E) (Image)

Est.$3,500

1897 (21 June) cover franked with 3k and 4k carmine, cancelled by the dotted circle of "Stockholm" postmarks, also boxed "Fran.Ryssland" origin hs alongside, addressed to Stettin, Germany, with arrival pmk on back, v.f., with Holcombe certificate, ex-Liphschutz collection (Image)

Est.$500

1904 vertically laid paper, 4k rose red, groundwork inverted, neat 1906 postmark, well centered, fresh color, couple of slightly irregular perfs as always, v.f., with 1995 Mikulski certificate ("sehr seltener Fehldruck, bekannt nur in ein paar Stucken"). A very rare stamp, one of only a few known (Cat No. 57Cg) (Image)

Est.$15,000

1906 Tsar Nicholas II, imperf. 1r essay, upper left sheet margin copy, v.f. (Image)

Est.$1,500

1906 Tsar Nicholas II, perforated essay in gray blue, on stamp paper, with scroll frame showing minor variations of shading, value tablet blank, v.f. (Image)

Est.$3,000

1909 7k blue, imperf. left sheet margin single, l.h., faint red owner's handstamp on reverse, v.f., with 2006 Buchsbayew certificate, cat. $1000 (Cat No. 78b) (Image)

Cat. $1000, Est.$1,000

1909 50k red brown & green, horizontal pair, right stamp center and value omitted, l.h., v.f. (Cat No. 85d) (Image)

Est.$250

1910 St. Petersburg, unexploded 2r booklet, salmon covers with black inscriptions, six panes of 6x1k orange, three panes each of 6x3k carmine and 7k blue, each separated by glassine interleaving, minor cover creasing, with tiny paper splits, fine example of this rarity (Image)

Est.$5,000

1913 Romanov Tercentenary, 7k brown imperforate horizontal pair, l.h., v.f., cat. $1000 (Cat No. 92a) (Image)

Cat. $1000, Est.$500

1913 Romanov Tercentenary, 7k brown, double impression, imperforate sheet margin single, h.r., v.f. (Cat No. 92b) (Image)

Est.$250

1913 Romanov Tercentenary, 7k brown imperforate horizontal pair, double impression, small h.r., v.f. (Cat No. 92b) (Image)

Est.$500

1913 Romanov Tercentenary, 10k dark blue, imperforate single, large margins, h.r., small faults, fine appearance, cat. $900 (Cat No. 93a) (Image)

Cat. $900, Est.$150

1913 Romanov Tercentenary, 2r red brown, imperforate sheet margin single, small h.r., v.f., signed Mikulski, cat. $900 (Cat No. 102a) (Image)

Cat. $900, Est.$300

1913 Romanov Tercentenary, 3r dark violet, imperforate vertical pair, h.r. at top, bottom stamp n.h., v.f., cat. $1900 (Cat No. 103b) (Image)

Cat. $1900, Est.$300

1915 large cover with Red Cross label on reverse, addressed to Vyborg, with 8.X.1915 arrival pmk, very rare (Image)

Est.$500

1915 Money Stamps, 15k brown imperforate single and 20k olive green imperforate sheet margin horizontal pair, v.f., cat. $550 (Cat No. 106a,107a) (Image)

Cat. $550, Est.$150

1917 Money Stamps, 2k yellow green, imperforate single, surcharge shifted to top, pre-print creases, fine and scarce, cat. $525 (Cat No. 140a) (Image)

Cat. $525, Est.$150