Jan Domagala - Prisoner of 4 different concentration camps. Almost all war he was in concentration camps  17.X.1939 - 29.IV.1945 ! KL Stutthof , KL Sachsenhausen , KL Mauthausen and KL Dachau
After liberation he was Head of Polish section in KL Dachau !  On photo he is in camp uniform and this is some kind document . Stuck to paper and with signature and his personal stamp.

Other postcard photo with his portrait on back side is discription from 4 different KL camps .

Rare and unique set with prisoner uniforms !