Vintage Tortoise Sunglasses, French Acetate Frames, 1970s 。Brand: Unbranded (Quality \"Frame France\" Production) Era: 1970s (Disco / Studio 54 Era) Frame Color: Gradient Amber / Brown to Clear Frame Material: High-Quality Acetate / Propionate Lens Technology: Gradient Tint Country/Region of Manufacture: France Style: Butterfly / Oversized / Bug-Eye Stunning Authentic 1970s Oversized Sunglasses – Handmade in France Capture the glamour of the 1970s with these quintessential \"Butterfly\" sunglasses. Stamped \"FRAME FRANCE,\" these represent the high-quality eyewear production France was famous for during the disco era. Details: Iconic Silhouette: Dramatic, oversized butterfly shape that defines the 1970s look. Fade Detail: Beautiful gradient frame that transitions from a rich amber/brown top to a crystal-clear bottom. Space-Age Temples: Features unique silver-tone/pearlescent decorative inlays on the arms for a touch of vintage flair. Lenses: Original gradient lenses (darker at the top, lighter at the bottom). Build: Sturdy metal hinges and high-quality French construction. Condition Report: These are authentic vintage frames and show signs of their history: Frames: Structurally sound with tight hinges. There is visible surface scuffing and light \"pitting\" on the plastic consistent with age. Light surface crack on top of frames, but it does not go through the entire frame and doesn\'t affect the structure. Lenses: Visible surface scratches from use, but doesn\'t affect overall appearance or vision.