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,
Silver Double Singing Bird Box at 1stDibs | bird music box, dejama singing bird box, antique bird music box
Singing bird box - Wikipedia
Lot - A German silver singing bird automaton music box
Mandolin Singing Bird Automaton Music Box | M.S. Rau
2-BIRD SINGING BIRD CAGE MUSIC BOX AUTOMATON | eBay
M.S. RAU ANTIQUES' EXQUISITE ANTIQUE MUSICAL BIRD BOXES PROVE THAT EVEN MECHANICAL BIRDS CAN... - Artwire Press Release from ArtfixDaily.com