1944, war navy, registered fieldpost letter to the artillery armory in Gotenhafen with mute postal stamp from 11.2.44 and fieldpost R-slip of paper with stamp overprint "Fp XIII" ( = navy field post office Gotenhafen 1) as well with service- and cover stamp army postal service no. M 17684 = liner "Schleswig-Holstein", at the upper margin slightly shortened, otherwise but good condition, Michel 250, 00