By Willson Products Inc. of Reading, Pennsylvania, USA. 'US Navy Aviation - All Rubber Mask - Double Aperture with Plastic Lens'. High quality one-piece facemask moulded in pliable black rubber with a rolled edge and chamois backing. Integral vent tubes. Fitted with clear acetate lenses and simple adjustable black elastic strap. These were the USN's equivalent of the USAAF B-8 goggle and were introduced late in the war. This pair appears to be in unused condition, the rubber and strap are superb and the lenses have just light fogging/age related deterioration. Lovely clean chamois. Complete with original fabric covered stiff card case. Rare to find. Stock code G26580.