Central / main part of a / the building - DORA 1944, neutral Prisoner card with 6 pfennigs from Sangershausen 3.8.44 to Raudnitz in Bu M, the sender with Prisoner number "16.320" and addition "D", on face boxed handstamp of one line "postal service censorship place" and box cancel of 2 lines "registered mail, express and Value shipments prohibited", the forced labourer in this camp were also at the building the "V1" rockets involves