2 exposures in a single frame

2 exposures in a single frame. On the left: bust-shot studio portrait of a young man in a shirt with a pen in his pocket. Curtained background. On the right, bust-shot studio portrait of a women in a dark sari, jewellery and a pottu on her forehead, no background. Location: Tamil Nadu, Karaikudi, Vasen Studio. Date of original material: [1950-60]. Size of original print/negative: 3 ½ x 2 ½ inches (2B). Format of original material: Glass plate black and white negative.