A German silver singing bird box with key J D Schleissner and Sohne, Hanau, stamped 930

A German silver singing bird box with key J D Schleissner and Sohne, Hanau, stamped 930 In the manner of Karl Griesbaum, shaped-rectangular form, the top with oval hinged cover opening to a singing bird automaton, ornate case decorated in relief with scrolls and birds, catch to the front in the form of a bird, with key, length 10cm . For further information on this lot please visit Bonhams.com