Vintage Pauline Radar 1960 Necklace Black Pearl style

Huge jewelry designer 1960- 1980 Pauline Rader Necklace. The name is in stamp on reverse side of pendant. Art Deco style. Big beautiful Black pearl style stone . The stone is big it’s around 1.8” L x close to 1 . 4 “W. Black Perl Stone placed in the pendant that is 4” long x 2” W. Heavy interwoven chain with closure. It is 13” long. I’m entire necklace including 3 beautiful tassels is about 21” long. All is made in gold color of metal. Not sure if it’s a gold layer over silver they use to use back then . It is a unique piece. And it is possible to wrap the chain twice around the neck making it shorter.