Sterling & Enamel Animated Singing Bird Box. Cobalt enamel paneled case with inset silvered highlights, sterling silver filigree trim and stands on raised feet; the top of the case has a porcelain panel in the oval lid with floral still live scene. Under the lid is a feathered bird, animated with flapping wings, moving beak and swivels side to side as it whistles; movement is running, bird sings and moves with nice brisk motion, no losses to the enamel, case stamped “Sterling” and K.G. with bird mark for “Karl Griesbaum”, has key. 2.75 in. high x 4 in. wide x 2.75 in. deep. Weight: 1.75 lbs.