Sobibór Nazi German extermination camp survivors with "Sonderkommando" prisoner Leon Feldhendler (back row, extreme right), and the Soviet NKVD security officer wearing uniform of a Junior Sershant (compare uniform) and/or but more likely lower rank (green cap for NKVD Border Troops and blue cap for NKVD Service officer), as well as Meier Ziss (standing, far left) Yehuda Lerner (sitting on the right), Esther Raab (sitting, 2nd from right) and Zelda Metz (sitting, 3rd from left).