Art Deco Gold, Platinum, Enamel and Diamond Vanity and Key Holder, Cartier. Photo Doyle

The vanity applied with white enamel embellished with a stylized gold checkerboard pattern, centering a square-shaped plaque applied with an enameled floral motif, framed by rose-cut diamonds, the reverse centering one small round cabochon ruby, with two rose-cut diamond-set thumbpieces revealing a rouge pot with mirror and lipstick case, and one small round cabochon ruby button to release the key, signed Cartier, nos. slightly obscured, circa 1920, approximately 33 dwts. gross. 2 1/4 x 1 x 3/8 inches. With signed fitted felt case. Good condition. Lipstick in rectangular-shaped compartment. Estimate $3,500-4,500

Estate of Consuelo Vanderbilt Earl

Doyle New York. Important Jewelry - Monday, April 15, 2013 at 10am. http://www.doylenewyork.com