1858 Issue 10k perf. 14 1/2 : 15 (Mi no.2) bearing red 4-ring numeral ‘191’ of Kalisz and also traces of blue datestamp, rare, signed Bojanowicz, ex Faberge, (also including official cover with red KALISZ circle date stamp), this double signed Bojanowicz, also another example double used (postal fraud) with red numeral ‘162’ and black ‘1’ but with faults, ex Goss (Image)

1858-1865 Polish numerals used on Russia 1858 10k and 20k (perf. 12 1/2) and 1865/1866 values with narrow perforation with mostly 10k values, noted 4-ring cancels 193, 192, 110, 126, 206, 194, 219, 220, 222 (postal fraud – different cancel underneath the 222), 225, 300 and 333, all on exhibition pages (Image)

1858 Issue 10k perf. 12 1/2 tied to folded lettersheet by 4-ring numeral 327 alongside boxed GOLINA to Warszawa, very fine item, scarce, ex Bojanowicz & Faberge (manuscript annotation inside backflap) (Image)

1867 Folded letter franked 10k + 3k + 1k bearing 4-ring numeral “95” of Opolie (Lublin province) to Berlin, fine and decorative cover (Image)

1870 Folded lettersheet franked 3k (3, all 3 with ERROR “underprint of 5k ” + 5k bluish grey bearing octagonal 4-line numeral “1” of Warszawa to Vienna, at back arrival marking, bottom back flap missing, fine and exceptional franking (Mi nos. 19xF + 20xb) (Image)