By The Chas Fischer Spring Co. Good frames with relatively light wear and pitting to the plating. These have the more streamlined vents and are stamped 'AN6530' on the centre hinge. Fitted with an excellent set of green tinted American Optical glass lenses. The one piece rubber face cushion is a bit soiled but remains supple and is damage free. The backing chamois has light to average soiling, the strap is a bit ragged, somewhat soiled and lacks elasticity. Metal strap components have light surface corrision. Good/good '+' used condition. Stock code G23160.