Rare RENOIR Vintage Art Deco Copper Crescents Necklace c1940

Beautiful Renoir copper collectible necklace. Adjustable length from 13"-17" with hallmark on the Clasp hook face. Very detailed design you won't easily find. Condition is very good for age with a uniform soft aged patina. No damage anywhere or visible wear that would devalue this piece. Crescents descend in size twice from center, across points, front 3.5cm, either side 2.2cm, rear 2.8cm. California, U.S.A.. Circa 1940's.