1900 - 1945, interesting inventory with more then 180 documents, as well Pleskau, Gdansk, Memel, German foreign countries post offices and colonies, Allenstein, Marienwerder, Schleswig, have been collected modes of transport like registered, insuranced-, air- and airmail and special delivery covers, forerunners and followers, cancel, Guernseyhalbierungen, also other east and West territories seen, please check carefully!