1980s gunmetal with Mondrian inspired white, red and dark grey metalic enamel pattern on the front of the collar necklace with fold over clasp. Marked "MONET©" on the back of the clasp and the back of the front bottom section. Measures: 6 inches by 5 1/4 inches. The center measures: 5/8 inches long. The interior circumference is about 17 1/4 inches. Condition: Very good to excellent condition.