Gilt Brass & Enamel Animated Bird Box. Gilt brass box with chamfered corners has engraved filigree and birds with black enamel highlights; spring driven animated mechanism, feathered bird appears from under the lid, swiveling back and forth while flapping its wings, moving its beak and whistling, the bird disappears back underneath the lid when the cycle is complete. In good condition, running and singing, no damage to the case, has key. 2.75 in. high x 4.25 in. wide x 2.75 in. deep. Weight: 1.25 lbs.