French, 19th/20th century. Two pairs of Parisian opera glasses comprising, a pair of Marchand red guilloche engine turned gilded enamel and mother of pearl glasses with an extending handle, and a pair of Audemair figural enamel and mother of pearl glass, all marked appropriately.

Approximate dimensions: Marchand flat h. 2.25", w. 5", d. 5".

Focus wheel and bridge operate smoothly, oxidation to brass, no apparent damage to enamel, wear typical of domestic use