1940, army postal service official letter with postal stamp WILHELMSHAVEN 1 from 28.2.40 and service stamp army postal service no. M 03772 = destroyer "Z 16" "Friedrich Eckholdt" to the navy Standortkasse in Wilhelmshaven and army postal service propaganda card (battleships in keel line, ". . . . Because we go against Engeland! ") with mute stamp from 17.12.49 as well with cover stamp and senders note army postal service no. M 03772 = destroyer "Z 16", the at that time in the North Sea in the line of duty was, good condition