Nice certificate of release issued to a Czech man almost at the end of the war from a Work education camp or penal camp. Written in both German and Czech, it's complete and it was issued close to the defeat of the Nazi government in 1945.

As a Arbeitserziehungslager (AEL) were officially designated during the period of National Socialism penal camps , which served primarily and initially the disciplining and re-education of dissidents, political opponents and long-term unemployed. They were built in 1940 by the Secret State Police , often in financial cooperation with companies benefiting from forced labor . By the end of the Second World War , there were about 200 of these camps in the German Reich and the occupied territories, 500,000 people went through these camps, usually with a temporary stay.