1939 / 41, war navy, 23 army postal service covers the multiples "Commander the outpost units West ( = army postal service no. 10481) " and "Commander the safety mechanism Baltic Sea ( = army postal service no. 20759) ", as well a registered fieldpost letter the unit army postal service no. 10481 from 8.5.40 with postal stamp and registration label WESERMÜNDE-FICHEREIHAFEN, good legitimate condition