THIS SIGNIFICANT AND VERY RARE NECKLACE /PENDANT dates to late 80s; Signed ART DECO "89"Many of their designs are based on the real jewelry in Sylvie Raulet book "Art Deco Jewelry".This necklace is featured in this book. It could be seen on 1stDibs;it's the fifth image if you start All "ART DECO 89 TM" were very expensive when they were new; and they are absolutely beautiful and worth it.They were made in Providence, RI.Art Deco 89 jewelry is very rare, the company only operated for a little over a year.The jewelry was all numbered and they are all well-made fantastic pieces.Company was owned by Larry Joseph; he bought Hattie Carnegie company in 1980's;just before he started his own ART DECO 89 TM Company.This vintage necklace is in excellent condition. It has a very sophisticated, rich & elegant appearance!