This is a Wonderful Mid-Century Modern Copper Necklace. It has 7 Links of Domed Rectangular Shapes, with 3-D Curved Squiggles of Copper with Intentional Blackened areas around them to Highlight.
The Necklace extends up to 15 1/2" long with the Hook; the Center, Largest Link is 1 1/2" Long. It is in Good Vintage Condition, the hook is more silver in color. It is Unsigned, but is similar to Renoir.
Mid Century Modern Copper Necklace