1773 (20 Dec) entire FL endorsed "V.Jaroslaw", sent from Jaroslaw to Leipzig, with "3" in red crayon (charged on arrival in Leipzig) and additional "8" charge mark on reverse (8 Kreuzer due), fine early letter (Image)

Est.US$250

1775 (13 Apr) FL from Warszawa to Peter de Their in Leipzig, ms "10" at upper right and annotated in Leipzig on arrival, faint manuscript "W" (Warsaw) and "5" (groschen) due, fine (Image)

Est.US$150

1789 two FLs to Krakow, one from Augsburg, another from Regensburg, various charges due in crayon or manuscript, fine (Image)

Est.US$250

1791 FL from Lemberg (Lwow) to Leipzig, transit route via Jaroslaw, Tarnow, Myslenice, Breslau, Gorlitz, Dresden, charged "4" (groschen), fine (Image)

Est.US$250

1808 (8 May) FL from Braunsberg (Braniewo) to France, with red "Premier Corps Grande Armee No.4", charged "6" (decimes), intact red wax seal on back, outstanding Napoleonic usage from present-day Poland (Image)

Est.US$250

1852 incoming mail cover sent from Rome to Warsaw, franked with Roman States 8b vertical pair, some cover wear, otherwise v.f. and scarce (Image)

Est.US$500

1860 10k blue & carmine rose, canceled "1" in concentric rings, beautiful colors, fine, with 2011 Ceremuga certificate (Cat No. 1) (Image)

Est.US$150

1868 (Warszawa Railroad Station - Vienna Line) 1k, 3k and 10k, tied by "BW" in concentric rings on outer FL used to Berlin, with "Ekspedycja Poczt Dworzec Warszawa" departure cds, red "Aus Russland uber Eisenb.Post. Bur.XI" RPO and arrival pmk on back, little toning and faint filing fold through the 1k, fine cover, ex-Kossoy (Image)

Est.US$300

1916 (24 July) Russian 3k stationery card (written in Polish, asking for money) uprated with 1k yellow, sent from Hailar, Manchuria to the Polish Committee in Stockholm, two oval "Manchuria 261 Harbin" Chinese Eastern Railway pmks, boxed censor and Petrograd transits, with Stockholm arrival (Image)

Est.US$100

1918-19 3h on 3h olive gray, perf. 11 1/2, block of four, n.h., some surcharge offsets on both sides, v.f., signed Bojanowicz (Fi.20, 1,800zl) (Cat No. 30a) (Image)

Est.US$200

1918-19 3h on 15h bright rose, used in combination with 5h emerald (imperf.) on 8h Austrian stationery card, sent from Ostrowiec (4.II.19) to Wien, fine usage, signed "M.Gorny" (Cat No. 31) (Image)

Est.US$500

1918-19 (11 Feb) registered cover from Radom to Zawiercie, franked with 3x3h on 15h rose, one variety missing star at left and first two letters of "Polska", pair of 45h on 80h, used in combination with 1h unoverprinted, tied by cds, with "K.u.k. Etappenpostamt Radom 2314" Registry label, filing fold away from the stamps, with Zawiercie 13.II.19 arrival pmk (Cat No. 31,36) (Image)

Est.US$500

1918-19 45h on 80h dark blue, used in combination with 5h emerald on registered cover from Checiny (24.II.19) to Kielce, with departure pmk repeated below, hand-drawn Registry box, number filled in by red crayon, with Kielce (26.II.19) arrival pmk on back, rare usage, signed Mikulski (Cat No. 36) (Image)

Est.US$500

1953 Engels, horizontal pair with "Specimen" at bottom (Fi.657, 600zl), also 1954 60gr Kosciuszko, perforated and gummed trial color in gray olive, n.h., v.f., signed Dr.Kronenberg (Fi.741MK, 1,200zl) (Image)

Est.US$200

1946 B.I.E. (International Bureau of Education), set of three sheetlets of 12, also souvenir sheet of three, n.h., v.f., cat. $1395 (Cat No. B49-49B,49c) (Image)

Cat. $1395, Est.US$500

1943 unissued "Gorale" set of three, n.h., 6pf with natural inclusion at bottom, otherwise fine-v.f., cat. €1500 (Cat No. Mi.I-III) (Image)

Cat. €1500, Est.US$750

1944 5pf orange red, horizontal tete-beche pair on magazine paper, v.f., signed Laszkiewicz, cat. €1800 (Cat No. Mi.I) (Image)

Cat. €1800, Est.US$700

1946 55g blue, sheet margin vertical pair, variety imperf. at left, n.h., pencil signed, v.f., unlisted (Cat No. Sass. 2var) (Image)

Est.US$150

1946 55g violet, displaced perforations at top and left variety, horizontal pair, unused without gum as issued, v.f., with 2019 Dr.Avi certificate, cat. €4400 (Cat No. Sass. 6A/Iec) (Image)

Cat. €4400, Est.US$800

1946 2z brown red, imperf. vertical pair, unused without gum as issued, v.f., cat. €700 (Cat No. Sass. 8B) (Image)

Cat. €700, Est.US$100