Fabulous clip/pendant created by Boucheron in Paris in the 1970s. Made of 18 karat yellow gold, coral, and black onyx. Measurements: 3″ x 2 ¾” (7.7 x 7.2 centimeters). Weight: 67.0 grams. Stamped with Boucheron maker’s mark, French hallmarks for 18 karat gold, serial number, place of manufacture.