By The Chas. Fisher Spring Co. of Brooklyn, New York. Excellent frames with only very light wear to the plating. These have the longer 'streamlined' vents on the frame. Stamped with 'AN6530' on the central hinge. Fitted with an excellent set of AO marked green glass lenses. The rubber cushion remains supple and is undamaged. The chamois backing has light even soiling indicating only light use. The strap is in good order and retains good elasticity. A very good '+' used pair. Stock code G21248.