The Lemaire Fils Paris Mother of Pearl Opera Glasses are a unique piece of antique craftsmanship originating from France in the late 19th to early 20th century. Made by Lemaire Fils Paris, these opera glasses feature intricate mother of pearl handles, making them both functional and stylish. With a time period of manufacture before 1930, these opera glasses are a rare find for collectors interested in optical antiques and French craftsmanship from that era.