Big set of 8 letters sent by inmate from KL Dachau and KL Mauthausen-Gusen with envelopes and a questionary filled in by prisoner. He was a Polish prisoner that was given 8919 in KL Dachau in 1940 and then was sent to KL Gusen Oberdonau until 1941. Set also includes 7 original envelopes where letters were sent. Some don't have the post stamp but are complete. Some of the letters have the censorship stamp and set also includes a nice questionnaire both in German and Polish. All the set in good condition.