Monet Black Onyx Cabochons Golden Collar Necklace Marked

Characteristic mid century design of Monet jewelry. stunning collar necklace decorated with black onyx cabochons. soft gold tone bib style vintage jewelry. in fantastic, all in tact excellent condition, with fascinating connectors, and geometric style. Marked in etch Monet 

widely opened as far as goes dimension : 14 inches - less 1 inch depth.