Good working conition. This extremely rare find antique Duval Paris France opera glasses with leather case is a true gem for collectors. The intricate details of the mother of pearl and brass construction make it an extremely rare piece that is sure to impress. Its time period of manufacture is pre-1930, adding to its historical value. These opera glasses are a must-have for anyone interested in antiques, especially those in the science and medicine and performing arts (pre-1930) and optical categories.

Retail Price Reference: Du Mouchelles Auction Set of 2 Antique Opera Glasses Sold for $400. (One being Duval)

Research: Mademoiselle Duval 1718-1775 was a French Composer.

Research: Saint Anthony Guide Stamp