Vintage 1950s Kigu Concerto Musical Irridescent Blue Powder Compact

This vintage late 1950s Concerto Kigu powder compact is offered in exceptionally good, clean condition. The compact measures 9 cm by 7 cm and is made of bright, shiny gold tone metal and has a lovely scalloped shape. The base has attractive machine turned pattern and the compact has wonderful irridescent royal blue lid with central applied polished and textured silver tone metal decoration. The case has firm hinge and secure catch and opens to reveal a perfectly clear and reflective framed, bevelled glass edge mirror under the lid. The case is marked Concerto and has the Kigu logo. The hinged powder well door opens and closes securely and the powder well beneath is empty of powder but retains it's original, clean sifter. The musical movement is in good working order but I'm afraid I can't "name that tune"!