2 exposures in a single frame

2 exposures in a single frame. One is a bust shot portrait of a woman resting her arms on a desk with a magazine. Plain background. The other shot is a full length portrait of the same woman standing holding an album and a teenage girl in a half sari with her left hand on her hip. Painted backdrop of a interior with pillars. Location: Tamil Nadu, Karaikudi, Vasen Studio. Date of original material: [1952]. Size of original print/negative: 3 ½ x 2 ½ inches (2B). Format of original material: Glass plate black and white negative.