2 exposures in a single frame

2 exposures in a single frame. Top: bust shot of two women, one older one younger, both facing left. Bottom: the same two women, front facing bust-shot. Both women are wearing saris and long-sleeved blouses, pottu on their forehead and flowers in their hair. Location: Tamil Nadu, Karaikudi, Vasen Studio. Date of original material: [1953-54]. Size of original print/negative: 3 ½ x 2 ½ inches (2B). Format of original material: Glass plate black and white negative.