Morgenthal Frederics 186 Tortoise Sunglasses 53-20-140 。Morgenthal Frederics Model 186 luxury sunglasses in tortoise acetate. Morgenthal Frederics is one of New York’s premier luxury eyewear houses. The classic 186 series are handmade French construction. Retails at $490. Our pair are in vintage condition since we purchased back in 2011. There are tiny scratches on the right lenses. But these do not disturb the comfort view provided by the sunglasses. Hinges operate properly. I added close-up pics of the lenses at the end of the listing. Lens color 202: Greenish gray tinted lenses. The original case and micro-fiber cloth are included as shown in the photos. Measurements: Lens width: 53 mm Bridge width: 20 mm Temple length: 140mm