Vintage sterling silver jade gemstone pendant and necklace italy 925

so gorgeous vintage signed green gemstone pendant. prong set. I believe it's nephrite, i am not a gem expert but I research and try to represent items as best as possible. 18in italy 925 ball chain. maker's mark on back of pendant and reads Sterling. please see pictures for details and measurements and condition other items are display only excellent gift idea for your favorite jewelry lover or collector or yourself vintage, filigree, baubles, retro, collectible, shabby chic, elegant, classic, minimalist, bohemian, cosmopolitan, trendy, gemstone, fall