Never used so they are brand new but I guess with time the the gold plaque on one side started to differ in color, shown in photos. If you don’t mind this part, the sunglasses are in brand new condition. Yes, 100% authentic Don’t have the case or pouch but I’ll send them in out in a replacement pouch and neatly packaged. Lens: 52 mm Bridge: 23 mm Temple: 150 mm