By American Optical. Specification No. AN-DD-L-236. Amber coloured glass lenses in the original tissue wrapping paper dated January 1945. These will also fit the earlier B-6 and B-7 goggles in addition to some of the commercially manufactured American flying goggles from the 1930s. Unused with minor storage marks/small scratches. Generally very good +/excellent. Stock code G19300.