2 exposures in a single frame

2 exposures in a single frame. One is a bust shot portrait of a couple with the woman on the man's right. She is wearing a dark sari, dark blouse and plain jewellery, he is wearing a white shirt. The other is a bust shot of a man in a white short sleeved shirt. 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.