53. MASSONI: SAPPHIRE AND DIAMOND BROOCH, CIRCA 1960 Forming a stylised cluster, entirely set with oval sapphires, brilliant-cut, marquise-cut and pear-cut diamonds, the stems accented with baguette-cut diamonds, signed Massoni, French import hallmarks for 18K gold (750°/00) and platinum (850°/00), size 7.80 x 4.50 cm, gross weight 40.58 g, accompanied by a copy of the original Massoni receipt dated 8 March 1966. MASSONI: SAPPHIRE AND DIAMOND BROOCH, CIRCA 1960 Designed as a cluster, set throughout with oval-shaped sapphires, brilliant-, marquise-cut and pear-shaped diamonds, the stems highlighted by baguette-cut diamonds, signed Massoni, French import marks for 18 carat gold and platinum, measurements 7.80 x 4.50 cm, gross weight 40.58 grams, accompanied by a copy of the original receipt from Massoni dated 8 March 1966.