"2 exposures in a single frame (""double shot"")"

2 exposures in a single frame ("double shot"). One shot is a bust shot 2 men in shirts. The other shot is a bust shot portrait of a single man. The glass plate is very damaged. 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.