1939 / 40, war navy, 1 army postal service letter and 1 army postal service picture postcard "gun drill on a destroyer" from Battle ship "Scharnhorst" ( = army postal service no. M 23657) : card with letter stamp and cancellation adjusted machinery stamp from 8.9.40 to Munich and twice used service letter with service- and letter stamp as well postal stamp KIEL-WIK from 29.10.39 to the command of the naval station of the Baltic Sea in Kiel, good legitimate condition