1939 / 44, war navy, 6 army postal service official letters with service- and letter stamp army postal service no. 17684 ( = liner "Schleswig Holstein") in good condition as well 2 army postal service covers with senders note army postal service no. 17684 ( = liner "Schleswig Holstein") and an army postal service card to a cadet on the "Schleswig Holstein" in good condition; with the shots of the "Schleswig Holstein" at the 1.9.1939 on the Polish position on the Westerplatte began the second world war.