RARE Antique Victorian Tortoise Shell Lorgnette Eye Glasses Opera Glasses, 31" Chain. Shipped with USPS First Class. These also come in the original box which reads Joseph g Darlington and company Philadelphia. These tortoise shell opera glasses are absolutely exquisite. The opera glasses themselves are about 7 in in length and attached to them is a rhinestone chain which measures 31 in Long. These are in excellent condition they still have the glass inside and they're very beautifully made. They must be carved tortoise shell. You will not find another pair like these. They are absolutely stunning.