Date to the Art Deco era, circa 1920.
Crafted in solid 14K white gold, and hallmarked as such. Bears the maker’s mark of Martin, Copeland & Company of Providence, Rhode Island, USA. (Photographed for your reference.)
Fetter chain style, with fine filigree metalwork on the elongated links. Finished with a watch clip on one end and an over-sized spring ring clasp on the other. Both findings appear to be original.
The chain measures 12 & 7/8” from end to end, with the widest links measuring 0.12” from top to bottom. This piece weighs 7.4 grams.
Condition is very good, with no damages or repairs.