1940, war navy, army postal service letter with mute stamp from 19.6.40 to Göttingen as well with senders note and letter stamp "war navy / letter cancel / building instruction Bismarck" ; army postal service letter from the time before commissioning the Bismarck, the at the 24.8.1940 resulted, in that the briefing the sailors on the Battle ship "Bismarck" resulted; rare, excellent condition