Perforation features, interesting collection with in total 18 shields stamps, as well Michel no. 25 L14.16 L15.20 L15.22 L15 horse shoe Gdansk N. 3 and 26 L15 (always expertized jug BPP, the 22 L15 with photo expertize), furthermore Michel no. 6.20, 25 and 26 FZL as well Michel no. 1 (2), 2 a (2), 4.5.6.8 and 9 in rougher perforation