1860 10k carmine & dark blue, unused with original gum, never hinged, signed Mikstein, beautiful fresh color, showing minor plate flaws, usual centering, intact perforations, with 2017 Schmutz certificate stating "the expertized stamp is in good condition, with full undisturbed original gum, never hinged (!)" (F.1b, 140,000zl $36,070) (Cat No. 1) (Image)

Est.$25,000

1864 outer FL franked with 10k, tied by Railway expedition mute cancel (Bojanowicz type 3) endorsed "Piotrkow" in Cyrillic at top, sent to Warszawa, with red arrival pmk, signed Bojanowicz. A rare cover (Image)

Est.$750

1924 cover from Bydgoszcz to Zurich, franked with two each 100,000m and 200,000m, also 3x300,000m and single 2,000,000m, paying 3,500,000 million marks, fine-v.f., with arrival pmk. A rarity (Fi.15,000zl ($3,864) for the top value) (Cat No. 209/214) (Image)

Est.$2,500

1924 Arms of Poland, 20g blue and 30g deep violet, imperforate vertical se-tenant gutter pair with value indicator markings in margin at right, unused without gum as issued, usual crayon invalidating marks, folded between stamps in gutter, v.f., rare se-tenant (Cat No. 221,223var) (Image)

Est.$1,500

1941 (7 Oct) registered cover (with contents in Polish) from "Tocki Lager" (Chkalow) to Kazakhstan, written by a Polish soldier to his wife, v.f. and interesting cover from Soviet held POW from the NKVD administered camp (where Polish soldiers and officers awaited formation of the new Polish army to fight against the Germans) (Image)

Est.$500

1944 Wodzowie Issue, lithographed screen proof in brown red, on yellowish satin paper, Type II, signed Schmutz, with his 2009 certificate (Cat No. 341-43P) (Image)

Est.$2,300

1947 Swiat Pracy (World of Labor), unexploded booklet with four imperf. deluxe sheets, fine-v.f., only 200 issued (Fischer 437-40, 8,000zl) (Cat No. 413-16P) (Image)

Est.$1,000

1956 Olympic Games Melbourne, 20g light brown & dull violet (Boxer), center inverted, left sheet margin example, n.h., v.f., with 2009 Schmutz certificate. A superb modern rarity from Poland, only 14(!) examples are known to exist (Cat No. 751a) (Image)

Est.$23,000

1956 Olympic Games Melbourne, 60gr Javelin, imperforate horizontal pair, n.h., v.f., with 2018 Wiatrowski certificate (Fischer 847nz) 1956 Olympics, 60gr Javelin, imperforate horizontal pair, n.h., v.f., rare (Fischer 847nz, 13,000zl) (Cat No. 754var) (Image)

Est.$2,500

1948 Roosevelt, Kosciuszko and Pulaski souvenir sheet of three, used on registered FDC to USA, v.f., with arrival pmks (Fi.2,500, $644) (Cat No. C26d) (Image)

Est.$250

1946 International Bureau of Education, set of three sheetlets of 12, n.h., v.f., cat. $1140 (Cat No. B49-49B) (Image)

Cat. $1140, Est.$500