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1918, 90h. lilac, vertical bisected, right half, tied by cds. "DABROWA in POL. 10.II.19” to cover to Sosnowiec, slightly overfranked, scarce and fine, certificate Petriuk (2025)

Get Market Data for [Poland Michel 28H] Visual Pricing Guide Sample Census

1919, Krakow overprints, 30 h. lilac, plate IIB, pos.29, unused, very fine, private signature, certificate Petriuk (2025)

Get Market Data for [Poland Michel 37] Visual Pricing Guide Sample Census

1919, Krakow Issue 50h. and 25 on 80h., the 50h. with variety "thin Z”, tied by cds. "LANCUT 3.IX.19” to money order for 20Kronen to Lemberg with arrival mark "LEMBERG LWOW -5.IX.19”, since the stamps had already lost their postage validity but were still officially used internally, they were circled in red and marked with the handwritten note "Zwrot opłatę 70 hal, Paraphe” (=return the fee of 70hal) in red, with the violet official seal "Post and Telegraph Inspection Office in Warsaw" alongside, slight transportation wear, overall in good condition, very rare and attractive, signed Krawczyk and certificate Petriuk (2025)

Get Market Data for [Poland Michel 39,48] Visual Pricing Guide Sample Census

1921, Red Cross 10+30m. brown-carmine with additional franking, tied by cds. "WARSZAWA 26.4.21” to registered airmail cover to Prague with arrival mark, vertical fold and backflap missing, somewhat stained, otherwise a fine and very rare commercial cover, signed Petriuk with certificate (2025)

Get Market Data for [Poland Michel 156,158] Visual Pricing Guide Sample Census

1946, International Education Bureau 3-11 zl. in miniature sheets of 12, mint never hinged, fine

Get Market Data for [Poland Michel 445-447 Klbg.] Visual Pricing Guide Sample Census

1948, 160th Anniversary of the US Constitution, complete set in full sheetlets, mint never hinged, 120 zl. with a peripheral gum bend and a minor corner crease otherwise very fine, all signed Jungjohann BPP

Get Market Data for [Poland Michel 515-517 KB] Visual Pricing Guide Sample Census

Culture souvenir sheet with handstamp "GROSZY" in type 23, neatly cancelled "WARSZAWA 13.12.51", very fine, signed Falkowski and certificate Wysocki

Get Market Data for [Poland Michel Bl.A10] Visual Pricing Guide Sample Census

1954, People´s Republic Anniversary complete sets in horizontal gutter pairs, 1,15 zl. with minor gum disturbance, mint never hinged, overall very fine, signed and certificate Petriuk BPP (1990)

Get Market Data for [Poland Michel 877-878 ZS, 889-89] Visual Pricing Guide Sample Census

"Cenz./Kontr.poczty, Ostrzeszów”, boxed two-line censor mark on postage-free envelope with senders cachet "Police…”, from "HAIDEBERG KR. SCHILDBERG, POSEN 14.5.19” to Berlin, cover slightly re-folded, otherwise fine, very scarce, signed Petriuk with certificate (2025)

"CENZURA LABISZYN”, black two-line censor mark on Germania postal stationery card 7½ pfg. with additional franking 2½ pfg., hoth the postcard and the stamp were invalid, but most likely a busy German postal worker forwarded the card without objection, used from "POSEN W. 18.5.19” to the district court in Labischin, fine and scarce, signed Petriuk with certificate (2025)

"CENZUROWANE / ODDZIAŁ IV / Sekcja Defenzywy / Referat Prasy i Cenzur”, black censor mark (=Brzozowski/Tokar type 1) on postcard from "WILNO 2 -7.XII.20” with adjacent cachet "2 Pul Art. Pol. Leg. 5 Baterja” to Sosnowiece, fine and rare, signed Petriuk with certificate (2025)

"Cenzura Szwadronu Technicznego / Pułku Jazdy Tatarskiej, dnia 18.1.1919. Podpis”, violet, boxed three-line cachet on postcard, with handwritten sender information "Reconnaissance Unit, Tatar Cavalry Regiment, 9th Lithuanian-Belarusian Infantry Division, Field Post No. 24”,  with adjacent cds. "BRZESC LITWESKI 18 1 20” to Wielun, fine and scarce, a.o. signed Petriuk with certificate (2025)

"Dowodztwo Szpitala Chirurgicznego W.P. w Wilnie Amer. Czerw.Krzyz - American Red Cross”, violett three line-cachet on post card with cds. "GŁÓWNA POCZTA POLOWA No. VII -3.6.1920” to Krakow, very fine, unique card confirming the ARC activity on the eastern front, signed Petriuk with certificate (2025)

"STACJA ROZDZIELCZA / dla jeńców i internowanych w Kobrynie”, violet three-line cachet on postcard from "KOBRYŃ 1.5.1919” to Lublin, rverse with minor imperfections, otherwise fine. A rare piece of evidence of a Polish prisoner-of-war camp for Russian soldiers during the Polish-Russian War in 1919, signed Petriuk with certificate (2025)

"Grodno”, handwritten cancellation on postal stationery card 15f. red, dated "Grodno 2/5/1919” to Ostrowiec with arrival mark, reverse, a lot of text with a note that the sender has been called to the Committee for the Defense of the Eastern Borderlands ("Komitet Obrony Kresow Wschodnich”), a fine and interesting card, certificate Petriuk (2025) (Fischer Cp30a)

1920, "Cenzura Wojskowa”, polish military censor label tied by oval "Wr. I. / 55” seal to cover from Russia via Moscow to Baranowicze, very rare, sent during the very short period when a postal exchange with Russia was still definitely permitted before the Riga Treaty from March 1921
 

Scouts post: 1944, folded letter with violet scout cachet "POCZTA HARZERSKA” (type 2 from Warsaw-Pludine) and liac-red date mark "9.SIERP.1944”, good condition, extreme rare. This scout cancel was only used on 6.8. and 9.8. and ist one of the great postmark rarieties during the Warsaw Uprising, signed Petriuk BPP with certificate (1990)

1944, Polnische Freiheitskämper und Feldherren 25 Groszy im waagerechten Dreierstreifen und Dreier-Block je mit Notstempel "URZADT POCZTOWY LANGUT” auf R-Brief mit handschdschriftlichem Datum vom 15.9.1944. Der Umschlag mit senkrechter Faltung und ist etwas fleckig, die Marken sind in guter Erhaltung, eine seltene Mehrfachfrankatur

Get Market Data for [Poland Michel 380] Visual Pricing Guide Sample Census

1944, Polnische Freiheitskämpfer und Feldherren 25 Groszy, zwei Einzelmarken und 1 Zloty je mit altem deutschen Stempel "LUBLIN 13.9.44” auf R-Ortsbrief mit altem R-Zettel, in guter Erhaltung, selten

Get Market Data for [Poland Michel 380,382] Visual Pricing Guide Sample Census

1860/1963, mostly used collection starting with Mi.-Nr. 1, also Mi.-Nr. 135-36 on registered cover, Mi.-Nr. 213-223 unused, Bl.1 used and unused, Mi.-Nr. 3802-82 without gum, Bl. 8 used, Bl. 11 unused and used, in addition some Groszy covers etc., mostly good condition