Set of 3 documents related to a Polish prisoner who died in KL Mauthausen. Set comprises: Rare death certificate issued by camp administration in 1941 for a deceased Polish prisoner in KL Mauthausen. Polish prisoner was married and came from Bielitz-Biala. Document has the ink stamp of the camp administration office. Also a document issued in 1940 that it's a letter sent to Polish police in Kielce informing that the man in question and his wife weren't at home. Finally there's a document written in Polish and issued in 1947 by Polish Red Cross about the fate of this man sent to his widow.