1944, war navy, army postal service R cover to the Command the war navy in Berlin with mute postal stamp from 1.8.44 and fieldpost R-slip of paper with stamp overprint "III" ( = navy field post office Cuxhaven 1) as well with service- and cover stamp army postal service no. M 17661 = command 7. Minensuch flotilla, excellent condition, Michel 200, 00