18ct gold, emerald, ruby and onyx 'Chat Malicieux' brooch, Van Cleef & Arpels, circa 1955, designed as a seated cat highlighted with a single cabochon emerald eye framed with diamonds, a cabochon ruby nose, the body accented with a buff top black onyx, length approximately 48 mm, signed VCA for Van Cleef & Arpels, numbered 90028. LITERATURE Sylvie Raulet, Van Cleef & Arpels, Rizzoli International Publications Inc., New York, 1978, p. 143.