1944, war navy, registered fieldpost letter to the Command the war navy in Berlin with mute postal stamp from 15.8.44 and fieldpost R-slip of paper with overprint "Fp XIII" ( = navy field post office Gotenhafen 1) as well with service- stamp army postal service no. M 31267 ( = command 3. Outguard flotilla) and cover stamp army postal service no. M 14542 = Ship cash register 3. Torpedo boat-flottilla, excellent condition, Michel 250, 00