50s Vintage Copper Necklace Mid Century Modern MCM Abstract Jewelry

MCM (Mid Century Modern) copper pendant necklace is Post Modern from the 40s to 50s. It has dimension! The abstract coil on the pendant stands out. Chunky curb twist chain has some dull tarnish, closes with working spring ring. The pendant is very shiny but not perfect as you can see in photos. No maker marks. 18'' long, mannequin neck is 13" around, comes in a gift box Offers OK