A wooden gavel made of the main door of Dachau concentration camp. Features a metal plaque that reads as follows: John G. Warren Presented in appreciation Made from the main door of Dachau concentration camp Wield in a noble cause Munich, Germany, 1965. Dachau was one of the first concentration camps built by Nazi Germany and the longest running one, opening on 22 March 1933. The camp was initially intended to intern Hitlers political opponents which consisted of communists, social democrats, and other dissidents. Second World War Historical Collectibles And Memorabilia. Holocaust Relics From Nazi German Jewish Ghettos And Concentration Camps.