MAUBOUSSIN 18K (750) white gold and platinum spray brooch, set with round brilliant-cut or old-cut diamonds, one of which is larger, embellished with calibrated diamonds. Signed. French work, 1950s. Kept in its case. Dimensions: approx. 4.5x4.5cm. Gross weight: 29.7g (chips, alterations, soldering, missing parts). A 1950 Mauboussin diamonds brooch