18ct white gold and mother-of-pearl necklace, van Cleef & Arpels, the flexible collar designed as a series of cushion-shaped mother-of-pearl plaques collet-set between open work circular links, inner circumference approximately 370 mm, French assay and maker's marks, signed VCA for van Cleef & Arpels, numbered BL11502. Accompanied by a van Cleef & Arpels pouch