1858 30k carmine & green, second printing on thin paper, horizontal pair, canceled by "121" numeral pmks in square dots on a complete FL used in 1859 from Taganrog (June 19) to Rostov on Don, endorsed "Extra" (Special Delivery), with framed TAGANROG departure date stamp on back, numerous endorsements and docketing on back, intact wax seal, filing folds well away from the stamps, fine and unique make-up of the 60k Special Delivery rate, with the only known pair of 30k on thin paper, ex-Mikulski (Cat No. 4) (Image)

Est.$100,000

1884 7k blue perf. 14 1/4x14 3/4, groundwork inverted, used, canceled "Michajlowskyj Chutor (prov. Kaluga), 1899", v.f. and rare stamp, with Mikulski certificate, (Cat No. 35b) (Image)

Est.$1,500

1884 14k blue & rose, center inverted, used, thin and other small defects, fine appearance, signed Romeko, (Cat No. 36b) (Image)

Est.$1,500

1889 14k blue & rose, center inverted, nicely centered, good color, small thin, fine appearance, signed Dr.P.Jemchouhin, etc., cat. $5000 (Cat No. 51a) (Image)

Cat. $5000, Est.$2,500

1889 14k blue and rose, center inverted, canceled "Archangel 29.1.93", well centered and fresh, v.f., signed Herbert Bloch and Roger Calves, with 1980 Friedl certificate, cat. $5000 (Cat No. 51a) (Image)

Cat. $5000, Est.$3,000

1902 7k dark blue (vertically laid paper), imperforate horizontal gutter, top sheet margin strip of four, fresh, creases, small scissors cut between two left stamps at bottom, nevertheless v.f. and striking rarity, signed Buhler, ex-Mertens and Faberge, with a red "Faberge" handstamp on back (Cat No. 59b) (Image)

Est.$10,000

1902 3.50r black & gray, center inverted, canceled "Batum, 18.2.1911", fine example of this undervalued rarity, known only used and typically centered to bottom, signed Romeko, with 2003 Mikulski certificate, ex-Faberge collection, cat. $14000 (Cat No. 69a) (Image)

Cat. $14000, Est.$12,500

1909 unexploded St. Petersburg booklet with three panes of 6x1k dull orange yellow, three panes of 6x3k carmine and three panes of 6x7k blue, each pane separated by glassine interleaving, covers black on salmon, indicating that the booklet was issued in St. Petersburg, face value 1r98k and price of booklet 2r, stapled at left, fresh and v.f. (Rogers 2) (Image)

Est.$5,000

1933 Balloon, 5k ultramarine, horizontal pair, imperf. between, cancelled "Leningrad 1933", v.f., extremely rare, with 1988 Mikulski certificate (Zagorsky 341Pb) (Cat No. C37b) (Image)

Est.$1,500

1922 Philately for Children, 1k, orange, perf. and imperf. sheetlets of 25, each showing missing dash between "19-8 22" (position 19), n.h., post office fresh, v.f., with 1993 Ebnet certificates ("First Issue"). A splendid rarity from RSFSR (Cat No. B24,29) (Image)

Est.$15,000

1923 Philately for Labor, 2r+2r on 250r violet, three different, one on pelure paper, also inverted surcharge (chalky paper), l.h., v.f., last one signed Goznak (Cat No. B40,40a,40b) (Image)

Est.$250