A silver turtle-form singing bird music box

Fourth quarter 20th century; German
Stamped for Germany [crescent moon and crown]; Further stamped: 925
In the form of a turtle with elaborately chased shell and feet, a singing bird emerges from the top of the turtle's shell, the turtle's head moves when the bird sings, includes key
2.25" H x 7.25" W x 3.125" D (closed)

Provenance: Sale, Bonhams & Butterfields, Los Angeles, CA, 28 February 2017, lot 363
Condition Report: Overall good condition with tarnishing and light scratches commensurate with age. The bird has trouble returning to his nest.