1943, war navy, registered fieldpost letter to the recruiting district headquarters in Neumünster with mute postal stamp from 6.11.43 and fieldpost R-slip of paper with overprint "Fp XXVI" with UB "a" ( = navy field post office Kiel 1 ) as well with cover stamp army postal service no. M 26710 = navy classes command north, the envelope is at the upper margin strong shortened, Michel 150, 00