Although none of the photo's are dated, from the style, clothing etc we would consider that the photo's date from the 1930's - 1940's. There are approx 300+ which measure approx 10cmx 6cm (4" x 2 1/4"). The images are of people and places in the following amongst others; Aden Venice Florence Warwick Castle Port Sudan Ceylon Anuradhapura Sigiriya Dangan Egypt - Cairo Delhi Constantinople