An Art Nouveau pearl and diamond necklace, early 20th century

An Art Nouveau pearl and diamond necklace, early 20th century, composed of asymmetrical foliate scrolls, set with circular-cut diamonds and two pearls, suspending a detachable pendant, mounted in silver and gold, to a later gold chain, length of necklace 40cm, length of pendant 6.6cm, pearls untested, detachable brooch fitting, fitted case stamped Collingwood & Co.