The civilian duty respirator / W.D. & H.O. Wills.

30th in a series of 50 colour cigarette cards issued in 1938 by W.D. & H.O. Wills (Bristol and London) showing how to protect yourself and your property from air raids. In this case it shows a civilian duty gas mask, more robust than the ordinary ones, enabling the wearer to go about rescue work with increased safety.