WW2 Local Air Raid Precautions LARP Civil Defence Instructor Badge

A scarce original post 1942 wartime period 'Local Air Raid Precautions Civil Defence Instructor pin badge', nickel plated Crowned horseshoe title, inlaid with red enamel, 'Instructor' title bar across voided centre; the reverse impressed with maker's details 'H.W.M. Ltd' (H.W. Miller Ltd). Very good condition, complete with original pin fittings, no damage to the enamel, an excellent example.Height approx 33mm.