Set of opera glasses, 20th century

Set of four theater binoculars made of metal with mother-of-pearl inlays (3 out of 4). Featuring classic bulged shapes. They show damage and missing mother-of-pearl inlays, as well as one missing lens.

Sizes: 6 × 10 cm; 13.5 × 9 cm; 5.5 × 9.5 cm; 5.5 × 10 cm