Karl Griesbaum Singing Bird Box Automaton. Germany, early to mid-20th century. Mechanical singing bird automaton. Filigreed brass box with enamel and glass floral ornaments. In operation a multicolored bird figure sings, moves side to side, and flaps feathers as music plays. Bird-form stop/start switch on side; front drawer contains key. Recently serviced; in very good working condition. 2 x 4 ? x 3".