This is part of Chairish’s Fine Jewelry assortment. A sterling silver and black onyx necklace, in the Art Nouveau style, circa mid-20th century. Necklace has a nice sized black onyx center stone. Necklace looks beautiful around neck as demonstrated in second image. Necklace is shown unpolished which looks great against the black onyx stone. Necklace is marked sterling silver on clasp '925' as shown in last image. Necklace measures: 18" Long.