2 exposures in a single frame

2 exposures in a single frame. On the left, photo of a boy wearing a shirt. On the right, photo of a young woman wearing a sari and a few pieces of jewellery: chain, nose stud and earrings. 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.