"German optics at the highest quality of manufacture and materials, extremely rare and much sought after one of a kind frame, produced by legendary \"Chai-Germany\". Highly limited \"Gold & Platinum\" edition (only 1000 frames ever produced, this one being frame nr 992), model square hex K 32, size MEDIUM 135-52[]15, hinge to hinge inside width 120mm (4.72 inches), hallmarked serial number. Hand made ultra-light (weighing only 21 grams, lenses included), ultra-flexible, ultra-tough Gold and Rare Photos, Luxury Eyeglasses, 21 Grams, Gold Platinum, Square Frames, Eyeglasses Frames, Prescription Lenses, Vintage Materials, Romania