Handcrafted in solid sterling silver here at Jas. Townsend & Son by our silversmith, Kevin Carter. The loop temples, arched nose bridge, and round lenses make these appropriate for anytime between 1740 and 1800. These glasses are fitted with 2x reader lenses, but can be set with your perscription by your local optometrist. They also come with a silk ribbon for tying and holding the glasses in place, as well as a wool-lined Tin Eyeglass Case, and care instructions. Because these are handmade, please allow extra time for delivery.