Sold at Auction: A rare German silver gilt singing bird music box automation attributed to Karl Griesbaum, having London import marks for B.C.T Co Ltd,
New Reuge Collection Singing Bird Box Dawn Chorus Walnut
Singing bird box - Wikipedia
M.S. RAU ANTIQUES' EXQUISITE ANTIQUE MUSICAL BIRD BOXES PROVE THAT EVEN MECHANICAL BIRDS CAN... - Artwire Press Release from ArtfixDaily.com