JEAN-VALENTIN MOREL ET HENRI DUPONCHEL (attributed to) 18K (750) gold "L'oiseau défendant son nid" bracelet depicting an oak branch overgrown with ivy articulated in 5 parts, topped by a nest containing 3 pearl eggs defended on one side by the mother and coveted on the other by a lizard, the ivy leaves outlined in green enamel. Unsigned. Mid-19th century. Length: approx. 17cm. Gross weight: 46.4g (enamel missing, screw missing, slight accident near one hinge. Catch probably modified, hence the absence of a master mark). A mid 19th century Valentin Morel and Henry Duponchel bracelet An identical, unglazed example, dated 1845, is kept at the Musée du Louvre, in the Objets d'art department. Anne Dion-Tenenbaum, La collection du musée du Louvre, Orfèvrerie français du XIXe siècle, Paris 2011, p. 148