The Antique LeMaire Paris Mother of Pearl Opera Glasses with Antique Case are a rare and elegant piece of optical history. Made in France before 1930, these opera glasses by LeMaire Paris showcase the intricate craftsmanship and attention to detail that vintage eyewear is known for. The mother of pearl adds a touch of luxury to these antique opera glasses, making them a unique and collectible item for enthusiasts of antique optics and scientific instruments.