1940's Karu Fifth Avenue Brutalist Necklace

Vintage designer signed Karu Fifth Ave Brutalist Necklace. Silver-tone, most likely silverplate, tested to be coin silver. Blue faux Turquoise stones making a flower design. Clasp works perfectly. Circa 1940s. Signed on the back. Please see photos. Such a statement piece! Heavy. Rare piece - you can find the clip-on earrings readily. Beautiful work on the clasp. 16 inches end to end.