1850 (ca) cover from Michalowice to Warszawa, with perfect departure and "Franco" in red, arrival pmk on back, minor backflap tears, otherwise fine (Image)

Est.$150

1860 10k dark blue & rose, thin paper, canceled "179" (Piotrkow), showing faint red arrival pmk at bottom right, well centered, fresh and beautiful stamp, signed Mikulski (Cat No. 1) (Image)

Est.$500

1860 10k blue & rose, brilliant intense colors, well centered and very fresh, canceled on piece by "1" in concentric circles, with red "Warszawa 19/10" below, v.f. and beautiful Poland Number One (Cat No. 1) (Image)

Est.$500

1860 10k blue & rose, showing broken frame line at left and at bottom, canceled "1" (with ornamental foot at bottom) in four squares, incredibly large and even margins all around, beautiful colors, undoubtedly the nicest possible Poland Number One, extraordinary quality (Cat No. 1) (Image)

Est.$1,000

1860 10k blue & carmine, canceled "282" (Kibarty) in concentric circles, large and even margins all around, incredibly well centered, v.f. (Cat No. 1) (Image)

Est.$500

1860 10k blue & carmine, canceled "282" (Kibarty) in concentric circles on small piece, nice colors, fine (Cat No. 1) (Image)

Est.$250

1860 10k blue & carmine, thin paper, canceled "1" in concentric circles, fresh and v.f., signed Mikulski, etc. (Cat No. 1) (Image)

Est.$300

1860 10k blue & carmine, canceled "73" (Lublin), light and attractive shade, fresh and fine stamp, ex-Kirchner (Cat No. 1) (Image)

Est.$300

1860 10k dark rose & blue, canceled "1" in concentric rings (Warszawa), well centered with large margins all around, couple of shorter perfs as often, pencil signed, with 2021 Bogdan Pelc certificate (Fi.1ad) (Cat No. 1) (Image)

Est.$350

1860 10k carmine & dark blue, canceled "1" with ornamental foot in four squares (Warszawa Main Post Office), beautiful colors, usual centering, with trimmed perforation at right, 2021 Bogdan Pelc certificate (Fi.1bb) (Cat No. 1) (Image)

Est.$350

1860 10k rose & greenish blue, canceled "DP" (Dworzec Praga - railway station "Praga" in Warszawa) in concentric rings, constant plate flaw "broken upper blue frame" (position 50), good color, fine stamp, with Bogdan Pelc certificate (Fi.1ac) (Cat No. 1) (Image)

Est.$350

1860 10k dark blue & rose, horizontal pair, brilliant intense colors, well centered, canceled on small piece by "1" in concentric circles, v.f. and extraordinary pair of Poland Number One (Cat No. 1) (Image)

Est.$1,000

1860 10k blue & rose, added blue frame for inner oval, canceled by "1" in concentric rings on small piece, fine and rare stamp, signed Wiatrowski, cat. $1400 (Cat No. 1c) (Image)

Cat. $1400, Est.$750

1866 (1 Nov) large part of outer FL (side flaps missing) to Warszawa, franked with Russia 10k brown & blue (unwatermarked), tied by a good strike of Pochtowyj Wagon A (1 Nov 1866) cancel, repeated on back, with red bilingual Warszawa arrival, filing folds away from the stamp, fine cover with a scarce Postal Car (Wilno) cancel, signed Bojanowicz, Korszen, ex-Mikulski (Image)

Est.$300

1880 (12 May), FL from Antoine Berezovski to Ladislas Mickiewicz (son of Adam Mickiewicz) in Paris. Antoine Berezovski, a Polish patriot, was sentenced to penal servitude for life for attempting to assassinate Tsar Alexander II, on June 6, 1867, on the occasion of his visit to Paris. Berezovski, who was 18 at the time, fired into a carriage in which the Tsar, the Emperor Napoleon and his two sons were driving in the Bois de Boulogne. The Pole was tried, condemned and shipped to New Caledonia. A fascinating letter (written in French), with appropriate markings including "T", various transit and arrival pmks, ex-Stanczykowski collection (Image)

Est.$1,000

1915 Carnegie Hall Solo Recital program for the benefit of American Polish Relief Fund, performed by the famous soprano Marcella Sembrich (1858-1935, she was Polish, born Prakseda Marcelina Kochanska, with an important international singing career, chiefly at the New York Metropolitan Opera and the Royal Opera House, Covent Garden, London). Also included is a picture postcard (J.Paderewski) and a small portion of a check, signed "I.J. Paderewski - Pay to order of Polish Victims Relief Fund", plus a 1916 four-page program "Mr. Paderewski will give a second recital at Symphony Hall, Boston, November 12, 1917" (Ignacy Paderewski 1860-1941) was a Polish pianist, composer and Prime Minister) (Image)

Est.$150

1916 (12 Jan) registered cover from Austria (Waltendorf b.Graz), with military censor and arrival pmk on back, addressed to Maria Sienkiewiczowa in Vevey, Switzerland (where she worked for the General Relief Committee for War Victims in Poland, with her husband Henryk Sienkiewicz, a Polish Nobel Prize laureate, best remembered for his historical novels, especially for his internationally known best-seller Quo Vadis. Sienkiewicz died November 15, 1916 in Vevey). Also included is another cover, this addressed to the General Relief Committee for War Victims in Poland, under the presidency of Henryk Sienkiewicz, some cover wear, scarce (Image)

Est.$250

1919 Krakow Issue, 3h bright violet, pos.I-15, h.r., v.f., signed Mikulski, Taipale, etc., cat. $500 (Cat No. 41) (Image)

Cat. $500, Est.$150

1919 3h violet, pos.I-85. hinge removed, fresh and well centered, v.f., signed Mikstein, etc., cat. $500 (Cat No. 41) (Image)

Cat. $500, Est.$150

1919 5h green, pos.I-16. l.h. (if at all, looks n.h.), v.f., signed Landre, Dr.Kronenberg, etc., cat. $550 (Cat No. 42) (Image)

Cat. $550, Est.$200

1919 selection, with 6h orange (forms I and IIE), 15h (3), 40h, 50h, 60h, 80h, 1kr (forms I and IIB), 2kr (two pairs) and 4kr, l.h. or h.r., few hinge removed, occasional n.h., fine-v.f., mostly signed Dr.Kronenberg, etc. (Fi.3,655zl) (Cat No. 43/54) (Image)

Est.$500

1919 6h deep orange, form IIE, pos. 46, n.h., v.f., signed Mikstein (Fi.32II, 800zl) (Cat No. 43var) (Image)

Est.$100

1919 10h magenta, pos.I-94. l.h. (if at all, looks n.h.), v.f., signed Mikstein, etc., cat. $500 (Cat No. 44) (Image)

Cat. $500, Est.$200

1919 10h magenta, pos.I-75. hinge removed, fresh and v.f., signed Mikstein, Philatelia Krakow, etc., cat. $500 (Cat No. 44) (Image)

Cat. $500, Est.$150

1919 60h deep blue, overprint inverted, pos.I-78, l.h. (if at all), v.f., signed Herbert Bloch, Mikstein, etc., cat. $375 (Cat No. 48a) (Image)

Cat. $375, Est.$250