Vintage 1960s Sarah Coventry Book Piece "Black Beauty" Silver Black Cabochon Pin

Downsizing my Mother's costume jewelry collection. Book Pieces - featured on page 30 "Sarah Coventry Jewelry" by Kay Oshel. "Designed to keep pace with your busy schedule. Sleek as only black can be, delicate in design and destined to go everywhere you go. The type you can wear from dawn 'til dark". Great vintage condition with little signs of age and wear. Some tarnish / verdigris - require light cleaning. Due to the unique nature of vintage items, they are being sold as is. Please keep in mind that most antique and vintage items will show wear and imperfections consistent with their age and use. Note : I don't clean vintage jewelry before I sell it. The cleaning is up to the buyer as every collector has their own method. Don't want to devalue it, if something goes wrong. Measures 2" in diameter. Questions? Leave a comment below, please.