1American Optical AO 1/10 12K GF 4 1/2 – 6 Brown/Gold 53-20 Vtg Eyeglass FramesAug 11, 2026No lenses currently installed. All our glasses have been ultrasonic cleaned. We describe the condition the best we can. Size: 4 1/2″ – 6″ 53-20 Vertical: 136 mm.