Jack Sadler's National Registration Identity Card

My father's national registration identity card stamped 25th May 1943 by the national office of registration. He was living at 185 Parkfield Road, Wolverhampton, with his wife Betty. He was visually impaired but did his bit for the war effort by fire watching, spending night after night on the roof of tall buildings to call out a warning to the ARPs to deal with the problem.