Sapphire, diamond, mother of pearl and onyx brooch, Piaget, circa 1970, modelled as a bird perched on an onyx branch, its body set throughout with circular-cut sapphires, its tail set with circular-cut and baguette sapphires tipped by mother of pearl accents and its textured gold wing similarly embellished, the eye collet-set with a circular-cut diamond, mounted in 18ct gold, approximately 30 x 40 mm, signed Piaget.