antique jewelry box...check for silver hallmarks. I had one exactly like this when I was a preteen (think mid-60's). The turquoise was fake and it was stamped steel from India. Loved the heck out of it until the hinge broke :(.
Antique French Kiln-fired Enamel Jewelry Casket, Box, Etui Tahan | From a unique collection of vintage enamel frames and objects at http://www.1stdibs.com/jewelry/objets-dart-vertu/enamel-frames-objects/
Antique Bohemian MOSER Blue Art Glass Raised Enamel Jewelry Box Casket