1927, peasant 2k apple green, double impression, right sheet margin imperforated block of four, horizontal invalidating perforation lines across the design, full OG, NH, VF, each stamp with Z. Mikulski hs (Image)

1928, worker 10k brown, horizontal imperforated pair, nice margins at three sides with acceptable margin at the bottom, full OG, NH, F/VF and rare in pair (Image)