German Enameled And Gilt Metal Singing Bird Automation - Lot #: 191

Works attributed to Karl Griesbaum, case by Emil Brenk, Mid 20th Century. Marked to underside: EB, Germany, 4w x 2 1/2d x 2h. Reference: Heritage Auctions, December 9th, 2017 Lot 61361 Overall very good, nice patina and finish. Lid does not shut completely and missing key.
Condition: The box is currently working however the lid does not shut all the way, the key we have winds box perfectly. Although in running condition Main Auction Galleries will not guarantee working condition after being shipped.
Estimate: $$2,000 - $$3,000