Late 40's frame.
Evans frame circa1948/50 built for use with a Sturmey Archer hub gear such as an FM or ASC. It has a custom built saddlebag support and has a brazed-on Sturmey Archer gear roller and stop on the top tube, there’s also a braze-on for a dynamo on the rear seatstays....click the photo for a larger image.
Click an image to enlarge. Photos courtesy of Hilary Stone, Bristol.