60’s. One of a kind Sterling silver necklace Delicate lace work.Lightweight

This is a must for a collector’s treasure chest. Very fine silver. So delicate almost lace work. Came from the estate of a friend. She owned this in the 60’s. I have some of her other pieces listed. Drop is apx 7.5” Pendant is 2”x1.5” I tried to clean but felt it was best left to a specialist Vintage unique. Boho. Art Deco. Luxury.