Size medium. Dated 3/63. Fitted with the later plastic amplivox microphone and a standard webbing harness. The rubber facepiece retains very good shape and flexibility and is quite clean. It is free from cracking and crazing, even when flexed. The pearl grey suede lining has light soiling and the harness is quite clean with good elasticity. The microphone is wired with a standard loom and connector. A very good used mask. Stock code O23142.