Art Deco Platinum, Rock Crystal, Diamond, Carved Ruby, Ruby and Black Enamel Clip. Photo courtesy Doyle New York

The stylized shield-shaped clip centering a rock crystal scroll surmounted by a diamond-set plaque and 6 carved rubies, set with 115 old European-cut and 7 baguette diamonds approximately 5.80 cts., flanked by 12 square-cut rubies approximately 2.50 cts., embellished by two clusters of 12 carved rubies, circa 1925. Estimate $25,000-35,000 

Doyle New York. Important Jewelry. Wednesday, September 25, 2013 at 10am - http://www.doylenewyork.com