Set of rare letters sent by a Czech female inmate from KL Ravensbrück women's camp and post-war insignia. Both letters are complete with legit censorship ink stamps. There are also 2 other handwritten letters without any printed camp guidelines and are written in Czech . Set also comprises a nice immediate post-war Ravensbrück former inmates' association pin with a red winkle or triangle that identified political prisoners within concentration camps and the message "Frieden der Welt" (Peace of the World). Enamel of the pin is intact as well as the needle system on the reverse.