Rare one of a kind, sterling silver, carnelian and chalcedony necklace created by American modernist jeweler Mildred Ball of West Virginia. Necklace has a large pendant armature which holds the mobile stones and silver bells measuring 4.5" by 2.5". The choker has a wearable neck length of 16.5". Signed Ball, Sterling on verso. Published in Marbeth Schon's "Modernist Jewelry 1930-1960, The Wearable art Movement" book on page 121. Provenance: Christie Romero. In very good vintage condition.