Vintage Judith Jack marcasite and onyx necklace

Vintage Judith Jack used necklace. This is onyx with sterling and marcasite dust bag included. Scratches may exist it is in great used vintage condition no missing stones. Please check all photos the one shows the silk knot sticking out not noticeable at all. Please see photos and ask questions make an offer!! Check my closet I am cleaning out my jewelry box I have a lot 😊