Goldtone oval Swarovski faux-onyx and clear rhinestones collar necklace with hook clasp. Marked " ." Measures: 7 inches long by 5 1/4 inches wide. Center: 7/8 inches long. Interior circumference is about 18 3/4 inches on the largest setting. Excellent condition. Most likely from Napier's 1995 Black Tie collection.