PRZEDBORZ 1917, 2gr. carmine and 4gr. blue paying local charge on incoming registered cover from Warsaw 20.12.17, some postal wear/marks/envelope shortened, signed Jungjohann BPP. (Image)

PREDBORZ 1917, 2gr. carmine paying the local charge on incoming printed matter from Warsaw 23.12.17, censor mark, envelope slightly toned (Image)

PREDBORZ 1917, 4gr. blue paying the local charge on incoming cover from Warsaw 18.12.17, censor mark, signed Zirkenbach. (Image)

ZARWIECE 1916, 10fen. violet/green with lilac control mark, on piece clearly oblit. by straight line "ZAWIERCE", signed and certificate Mikulski. Mi. 700,- €+ (Image)

ZAWIERCE 1916, 10fen. violet/green without overprint, left marginal block of six (slightly separated), unused no gum, top row (pos. 11-13) with joined "1" and "5" of year date, bottom row (pos. 21-23) with separated figures, signed Mikstein and Bojanowicz. Rare and attractive multiple! (Image)