A FINE MID 20TH CENTURY ENAMEL SINGING BIRD BOX BY KARL GRIESBAUM the gilt bronze case, with makers stamp for Emil Brenk, having enamel panels decorated with landscape and floral sprays, the hinged lid opening to reveal an automation singing bird, the case concealing an mechanical movement with bird shaped winding key. - in beautiful working condition with a recent service invoice.

11cm wide.