1858 (June 20), 10k brown and blue, perforation 14½x15, watermark numeral ''1'', used on entire wrapper from Moscow to Kiev, ''2'' inside circular dotted marking, two- line Moscow date stamp and wax seal on reverse, F/VF, Est. $250-$300 (Image)

1858, trial color perforated proof of 20k in green and lilac, printed on paper with watermark numeral ''2'', nicely centered and very fresh, no gum, VF, Est. $500-$600 (Image)

1864, Epreuve de Timbre - Proba, imperforated proof for Paris Exhibition of 1k in black and orange, printed on paper without watermark, top right corner bend, otherwise no gum as produced, VF appearance, Est. $250-$300 (Image)

1864, 3k black and green, 5k black and lilac, two values with perforation 12½, 3k has violet 2.5mm stroke at bottom and tiny inclusion at right, unused, F/VF appearance, C.v. $2,100 for * (Image)

1868, 20k rose and green, printed on vertically laid paper, strong colors and intact perforation, large part of OG, previously hinged, VF, C.v. $1,000, Est. $500-$600 (Image)

1884, 2k dark green, top sheet margin imperforated single, printed on horizontally laid paper, full OG, NH (LH on margin only), VF and scarce, C.v. $1,100 as hinged, Est. $1,000-$1,200 (Image)

1889, 2k orange, a single with double impression of the background printed on horizontally laid paper, unused, no gum, VF appearance, a common stamp is included for comparison, Est. $150-$200 (Image)

1902, 7k blue, left sheet margin horizontal imperforated pair, printed on vertically laid paper, background shifted to the top left for 2.5-5mm, nice and fresh, full OG, LH, VF and scarce so nice, C.v. $1,350++, Est. $800-$1,000 (Image)

1906, Nicholas II, Louis E. Mouchon essay of the central design in black (face to the right), size 32x39mm, litho printing on thickened white paper without gum, trace of hinges, no defects, VF, Est. $400-$600 (Image)

1906, Nicholas II, two Louis E. Mouchon photo essays of the central design (face to the right), double or single central oval, size 47x50mm, photo paper mounted on thin cards, fresh and VF, ex-Norman Epstein, Est. $400-$600 (Image)

1908-09, perforated proof of 10k in light blue, a single with margin at right, no varnish lines and three instead of two lines of inner oval at top, VF and scarce, expert's hs in red, Est. $400-$600 (Image)

1915-17, 5r and 10r, printed on paper with vertical varnish lines, 23 mint stamps in singles or positional ''V'' blocks from different printings, including stamp of 10r with inverted background (NH), shifted centers, color shades and other varieties, full OG, mostly NH (4 stamps-LH), F/VF, Est. $400-$500 (Image)

LIBERTY CUP AND ABDICATION OVERPRINTS ON ROMANOV DYNASTY STAMPS - SELECTION: 1917, 35 items, including 1 single, 21 blocks of four, 6 blocks of 8, 4 blocks of twelve and 3 postal history items, several with inverted overprints, a few blocks of 4 with privately produced Liberty Cups, full OG or no gum as issued, mostly F/VF, Est. $500-$600 (Image)

Tercentenary of the Romanov Dynasty. COLLECTION ON LINDNER PAGES IN LARGE BINDER: 1913-17, several hundred mint and used stamps plus 45 postal history items, including complete Jubilee set of 17 in mint never hinged condition and at least a dozen of used sets, various cancellations, several stationery pieces, then group of money stamps, occasional flaws possible on used material, still F/VF and a beautiful holding, Est. $800-$1,000 (Image)

Tercentenary of the Romanov Dynasty. 1913 (February 26), 1k-5r, complete set of 17, used on registered cover in St. Petersburg, addressed to German Embassy, arrival ''27.2.1913'' ds on reverse, mostly VF and very scarce complete set franking, Est. $1,200-$1,500 (Image)

Tercentenary of the Romanov Dynasty. 1913, Peter the Great, 1k orange, top right corner sheet margin horizontal pair, right stamp with blurry design and partially not printed picture at top right corner due to foldover, full OG, NH, VF, all errors of this set are very scarce because of strong supervision, Est. $150-$200 (Image)

Tercentenary of the Romanov Dynasty. 1913, Peter the Great, 1k orange, bottom right corner sheet margin vertical pair, lower stamp has no perforation at bottom right corner due to foldover, full OG, NH (bottom stamp) or hinged (top stamp and margin), VF, Est. $150-$200 (Image)

Tercentenary of the Romanov Dynasty. 1913, Alexander II, 2k green, horizontal pair, right stamp with opened pre-printed paper fold, full OG, NH (error) or LH, VF, Est. $100-$150 (Image)

Tercentenary of the Romanov Dynasty. 1913, Alexander III, 3k rose red, left sheet margin horizontal pair, enlarged and imperforated margin at top (error with trimmed perforation), full OG, very light traces of hinge, VF, Est. $300-$400 (Image)

Tercentenary of the Romanov Dynasty. 1913, 3k rose red, bottom left corner margin horizontal and bottom right corner margin vertical pair, one stamp of each pair partly imperforated due to spectacular foldovers, full OG, NH (1) or hinged, VF and rare, Est. $500-$600 (Image)

Tercentenary of the Romanov Dynasty. 1913, Nicholas II, 7k brown, left sheet margin vertical pair, large part of the design is missing on front and printed on reverse due to foldover, full OG, hinged, VF and a spectacular item, Est. $300-$400 (Image)

Tercentenary of the Romanov Dynasty. 1913, Nicholas II, 7k brown, imperforated single with double impression, large part of OG, previously hinged, VF and scarce, Est. $700-$800 (Image)

Tercentenary of the Romanov Dynasty. 1913, Nicholas II, stage proof (unclear border of the oval) of central vignette for stamp of 10k in deep blue (issued color), size 49x62mm, printed on thick chalk-surfaced paper without gum, hinged, still nice and fresh without usual thins and other defects, VF, Est. $400-$500 (Image)

Tercentenary of the Romanov Dynasty. 1913, Alexander I, stage proof (unclear border of the oval) of central vignette for stamp of 20k in olive green, size 38x72mm, printed on thick chalk-surfaced paper, no gum as produced, pencil ''RZ'' (Rihards Zarins) initials at bottom, VF and scarce, ex- Norman Epstein, Est. $400-$500 (Image)

Tercentenary of the Romanov Dynasty. 1913, Winter Palace, imperforated die proof of 2r in black, printed on watermarked Borders and Rosettes paper, fit to stamp size and mounted on thin white card, proof size 30x24mm, card size 66x50, fresh quality, no gum as produced, VF and very rare proof, Est. $800-$1,000 (Image)