1918, 3 h. blue, tied by circular seal "ZARKI KROL POLSKIE", with additional Austrian K.K Feldpost 2 h. and 8 h. tied by cds. "ETAPPENPOSTAMT DABROWA -9.X.18" to card to Zarki, alongside cds. "KuK ETAPPENPOSTAMT 11.X.18 * ZARKI *", very light toning, very fine and rare, sign. Petriuk

1918, 6 h. greyish blue, horizontal pair, Type 2 + 1, with additional handstamp from the 10 h. applied by mistake, fresh colours, mint never hinged, extremely fine. A very rare multiple of that error, sign. Mikulski and certificate Jungjohann BPP (2003)

1918, 6 h.- 24 h., complete set in blocks of four, fresh colours, mint never hinged, one 6 h. with two minor adhesion spots on reverse, each block folded horizontally in margins between the stamps, extremely fine and very scarce, all sign. Ryblewski 

1918, unused and used collection in one stockbook, complete in the main Michel cat. numbers, highly specialized with types, shades, multiples, better items like Mi.-Nr. 4 F (sign. Petriuk), together with some reference forgeries, mostly very fine and fresh, an unusual specialist assembly, many sign. Petriuk, Korszen, Mikulski