18ct gold, emerald, diamond, ruby and onyx 'Chat Malicieux' brooch, Van Cleef & Arpels, circa 1955, designed as a seated cat accented with a single cabochon emerald eye framed with diamonds, a cabochon ruby nose, the body decorated with a buff top black onyx, length approximately 48.5 mm, signed Van Cleef & Arpels, numbered B7.406. Accompanied by a Van Cleef & Arpels pouch.