CARTIER, London Circa 1930 18k (750‰) white gold "Coccinelle" lapel clip with black enamel (small enamel losses), the coral body studded with round old-cut diamonds set in close settings Signed, engraved white gold, London, numbered 3090 91(5)1 Dimensions: 2.4 x 2 cm Gross weight: 10.9 g Bibliography: "Cartier, le style et l'histoire", exhibition catalogue, Paris, Grand Palais December 2013 - February 2014, a similar piece reproduced, cat. 534