This mid-century modern geometric design neck ring is marked sterling and is handmade by Richard Barth. It features a 4" hinged centerpiece with a large right-triangle, a gold ball, and round target-like design. The ring is about 5-1/2" wide and the back is marked 'R. Barth Sterling'. The backside of the triangle is hand-etched: Richard Barth 10/73 "Target Piece". This piece is in good condition. This Necklace came from an Ohio Estate of well known Art and Mid Century Collectors. The Porter Family has today a room in the Modern Museum of Art. Cleveland Ohio.