An agate, diamond, enamel and jasperware panel vesta case, Boucheron, early 20th century the transluscent carved agate case of rounded rectangular outline, the hinged cover with blue and white strapwork banding to a millegrain-set rose-cut diamond decorated clasp, the white enamel hinges with rose diamond accents, enhanced by a central blue and white jasperware panel depicting a classical floral motif within a rose diamond-set frame, with engraved striking panel to the base, approximately 49 x 32 mm, signed Boucheron Paris, with French assay marks. Property from the Collection of Dame Nellie Melba GBE