Switzerland, singing bird box, silver gilt case with blue guilloche enamel, oval lid with polychrome enamel harbor scene concealing a bird with brightly colored feathers, appearing and performing on demand, 4 1/8" x 2 1/8" x 1 5/8", 20th century

Switzerland, singing bird box, silver gilt case with blue guilloche enamel, oval lid with polychrome enamel harbor scene concealing a bird with brightly colored feathers, appearing and performing on demand, 4 1/8" x 2 1/8" x 1 5/8", 20th century top with restoration to blue enamel, and with two empty holes, some replaced screws, bird with some losses to feathers, working