1940-1945 concentration camp mail (21 covers/postcards) including Gross-Rosen, Neuengamme, Theresienstadt, Dachau (Arbeitslager Munchen 68, Augsburg Pfersee, Dachau 3, ), Henningsdorf, Buchenwald, Oranienburg, Lublin (Konzentrationslager Lublin) partly with camp postmarks in folder