1860 10k blue & rose, canceled "DP" in concentric rings (Dworzec Praga), usual centering, nice color, signed Wiatrowski (Cat No. 1) (Image)

Est.$250

1860 10k blue & rose, canceled "282", well centered and beautiful pastel colors, minor perf. mending, signed Wiatrowski (Fi.1b) (Cat No. 1) (Image)

Est.$250

1860 10k blue & rose, placed upside down and tied by "1" numeral cancel on outer FL used in 1862 from Warszawa to Bialystok, red "16/6" departure pmk in Cyrillic letters below, filing fold and some overall ageing, otherwise fine cover from Warszawa, signed Wiatrowski (Cat No. 1) (Image)

Est.$1,500

1860 10k dark blue & carmine, canceled and tied by "1" in concentric rings on small cover from Warszawa to Brest Litewsk, red "2/12" departure pmk in Cyrillic letters alongside, intact wax seal on back, fine usage to uncommon destination, signed Wiatrowski (Fi.1ac) (Cat No. 1) (Image)

Est.$1,500

1870 outer FL from Lowicz to Warsaw, franked with Russian 10k, with "L. Czamanski Commission & Spedition Lowicz" label on reverse, v.f. (Image)

Est.$250

1871 (29 Oct) outer FL from Warszawa to Gerbruder Rothschild in Paris, franked with Russian 3k, 5k and 20k, red "Aus Russland uber Eisenb.Post. Bur. XI" and charged "5 1/2" in red crayon, also oval "J. Flatow's Neffe & Cie" merchant's datestamp and "Franco" at bottom, Paris arrival pmk on back, fine (Image)

Est.$250

1872 (10 May) outer FL from Warszawa to Germany, franked with Russian 1k, 3k (unwatermarked) and 10k (vertically laid paper), tied by departure cds (in Cyrillic), with "Aus Russland Franco" in red, fine and scarce combination franking, with arrival pmk (Image)

Est.$500

1916-18 five diff. poster stamps, issued to collect charity for Polish War orphans, scarce (Image)

Est.$150

1919 3h violet, I-51, h.r., v.f., signed Mikstein, ex-Lilly, cat. $500 (Cat No. 41) (Image)

Cat. $500, Est.$150

1919 6h orange, block of six, overprint shifted to right, pos. I-23-25 / 35-38, with three thin "Z" varieties, n.h., slight toning, with tiny gum stain at bottom right, v.f., signed Dr.Kronenberg (Fi. 3,900zl) (Image)

Est.$500

1919 10kr violet, position IVB-17, perfectly centered with wide margins all around, lightly hinged, fresh and v.f. example of this popular rarity, only 440 printed, signed Mikstein, etc. (Fi.49aa, cat. 50,000zl) cat. $12000 (Cat No. 55) (Image)

Cat. $12000, Est.$10,000

1944 Heroes set of three, composite sheetlet of three in blue, v.f., signed ZAF, Dr.Kronenberg, etc. (Fi.6,500zl) (Cat No. 341-43P) (Image)

Est.$1,500

1978 Argentina Football, imperf. souv. sheet, unused without gum, value crossed out, 27 copies, v.f., only 20,000 printed (Fi.2410-11nd) (Cat No. 2265-66var) (Image)

Est.$750

1926 (4 May) flight cover from Warszawa to Constantinople, franked with 1gr, 25gr and 2x3gr, handstamped "Pobrano Percu" (6gr), little toning at left, otherwise v.f. (Image)

Est.$150

1931 (13 Aug) flight cover from Warszawa to Lwow, attractively franked with L.O.P.P. 10gr, 20gr, 50gr and 1zl, used with 2x5gr brown, v.f., with arrival pmk (Image)

Est.$250

1946 International Bureau of Education, set of three sheetlets of 12, n.h., v.f., cat. $1320 (Cat No. B49-49B) (Image)

Cat. $1320, Est.$500