Karl Griesbaum, Germany, an enamelled silver singing bird box, the case with rectilinear panels decorated in blue, black, green and white enamels, the top in blue guilloche enamel with narrow black enamel border, the oval cover decorated with polychrome

Karl Griesbaum, Germany, an enamelled silver singing bird box, the case with rectilinear panels decorated in blue, black, green and white enamels, the top in blue guilloche enamel with narrow black enamel border, the oval cover decorated with polychrome enamel flowers, and with green and black enamel border, opening to reveal a small, colorful bird, performing a short song and dance prior to disappearing beneath the cover, with key. small chips in black enamel border around top, working, the bird's voice a bit weak, may need bellows work, bird disappears just before the singing ends.