Postel was taken prisoner of war on 30 August 1944 after the capitulation of Romania and died in custody on 20 September 1953 of Tuberculosis.
Postel was taken prisoner of war on 30 August 1944 after the capitulation of Romania and sentenced to 25 years of forced labour on 4 June 1949. Postel died in custody on 20 September 1953 of Tuberculosis.