This mid-century modern geometric design neck ring is marked sterling and is handmade by Richard Barth. It features a hinged centerpiece with a large right-triangle, a gold ball, and round target-like design decorated with red, blue, white enamel. The ring is marked 'R. Barth Sterling'. The backside of the triangle is hand signed: Richard Barth 10/73 "Target Piece". This necklace is in very good condition. Design Dimensions: 3-1/2" x 4". Neck Ring Circumference (end to end): 14". Width Between the Ends: 2-3/8". Total Weight: 108.0 grams. 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.