1920 - 1939, mint never hinged and little mint collection with better issues and sentences as well as blocks on Lindner hingeless text, watermarks, colours as well as a little port Gdansk, service and postage?due stamps, quite a number of BPP expertised (over 100 values) as well as 2 values with certificate and certificate Gruber BPP (2011) for P1 14 b, Michel approx. 3.800.-