Feldpostenveloppe which was sent from the Kommandantur of the Concentration Camp Weimar-Buchenwald. Stamped on the front with “SS-Feldpost” “Waffen-SS – Briefstempel – Kommandantur K.L. Buchenwald” and on the reverse with “Waffen-SS / Konzentrationslager Buchenwald / Kommandatur / Weimar-Buchenwald”. Used condition (flap half torn on the back).