Studio portrait of three men

Studio portrait of three men. All of them wear a white shirt and have a pen in their pocket. All of them look straight at the camera. The one on the right side of the picture has a moustache. Unclear background. 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.