1945 collection of 34 different photo proofs and essays in various formats, prepared prior to the actual issue, showing progressive stages of design, 2 Zloty value always depicting General Anders, others show Monte Casino, Ancona and Bologna, with unadapted designs, including some with simulated perforations, v.f. and incredible group, mostly unique (Image)

Est.$6,000

1946 1L, 3L, 5L and 10L photo proofs of the adapted designs by Corrado Mezzana, four different, each placed over simulated perforations and affixed on a presentation card, v.f., probably unique, signed Ferrario, with 2021 certificate (Image)

Est.$2,500

1946 souvenir sheet of four on gray paper, 55gr value (Ancona) shifted to top, unused without gum, fine and extremely rare, cat. €900 (Cat No. Sass. Block 1aaa) (Image)

Cat. €900, Est.$500

1946 souvenir sheet (white paper) of three, missing the 45gr value (Monte Cassino), canceled "Poczta Polowa 1.1.46 / 119" in its place, unused without gum as issued, minor wrinkles, mostly v.f., the only known error of this type, Sassone "E noto un solo foglietto", unique, cat. €14000 (Cat No. Sass. Block 1Acaa) (Image)

Cat. €14000, Est.$5,000

1946 souvenir sheet of three, missing 55gr value (Ancona), canceled "Poczta Polowa 1.1.46 / 119" in its place, unused without gum as issued, minor wrinkles, mostly v.f., the only known error of this type, Sassone "E noto un solo foglietto", unique, cat. €14000 (Cat No. Sass. Block 1Acac) (Image)

Cat. €14000, Est.$5,000

1946 souvenir sheet of one, 45gr, 55gr and 2zl omitted, with only 1zl gray at bottom, unused without gum as issued, large margins and "Poczta Polowa 136 / 4.VI.1946" cancel, v.f., signed Raybaudi, with his 2002 certificate, the only known error of this type, Sassone "E noto un solo foglietto", unique, cat. €14000 (Cat No. Sass. Block 1Af) (Image)

Cat. €14000, Est.$5,000

1946 souvenir sheet of four on gray paper, pre-print filing fold creating a spectacular variety, showing shifts and split values, n.h., v.f., undoubtedly unique (Cat No. Sass. Block 1var) (Image)

Est.$2,500

1946 Polish Victories at Ancona, Bologna, Monte Cassino, also 2zl General Anders, selection of nine different imperforate color trials, including the rare 55g violet, unused without gum as issued, v.f., cat. €5295 (Cat No. Sass.5B/8B) (Image)

Cat. €5295, Est.$1,000

1946 2zl General Anders, two singles and block of four (chocolate brown), unused without gum as issued, on thick, white quality paper, v.f., cat. €4435 (Cat No. Sass.8,8a,c) (Image)

Cat. €4435, Est.$500

1946 souvenir sheet of four on white paper, customary cancel omitted, slightly irregular frame on the 2zl value, fine and scarce, cat. €1400 (Cat No. Sass.Block 1Aa) (Image)

Cat. €1400, Est.$300