Vintage Mid Century Green Thermoset Plastic Necklace

Vintage Mid Century Green Thermoset Necklace Goldtone metal with green accents. What is Thermoset? Thermoset and Lucite jewelry is a formed plastic that was used by many jewelry companies from 1940 - 1960 The color of necklace shows best on the pictures of necklace on my fingers (pictures 13 & 14) This has some wear on the thermostat and some wear to the gold-tone coating. The wear to the gold-tone is mostly on the backside where links meet. Necklace approx 16”-18” Unknown maker, no makers marks.