Olere's first assignment at Auschwitz was as a grave digger. His prisoner number 106144 is seen here both on his shirt and as a tattoo on his left arm.
David Olere waa forced to a member of the Sonderkommando who collected up corpses after gassing.
This is a self portrait
David Olere (1902 - 1985) was held in Auschwitz Concentration Camp from March 1943 until the end of the War. David began drawing what he saw in the camp towards the end of the war when the guards were more relaxed. Other Artists have produced art works as a record of what they witnesses, but Olere is one of a small number who were able to record their experiences will still in a Concentration Camp
Gassing
more information David Olère (usf.edu)