AN EARLY 20TH CENTURY GERMAN STERLING SILVER AND ENAMEL SINGING BIRD BOX CIRCA 1900 BY JOHANN S. KURZ & CO. the rectangular box with canted angles and sloping base and domed top decorated with scrolling foliage, marked to the underside with maker's mark, Hanau, the sides with blue enamel panels, the oval hinged top with mask amongst C scrolls, opening to reveal a pierced scrolling grill from which the singing bird emerges, with brightly coloured plumage, flapping its feathered wings,  11cm wide x 6cm high The box is in working order but not fully tested or guaranteed.