Slave necklace in 18K (750‰) yellow gold comprising three oval medallions set with Bresse enamels on a Sèvres blue background and chains, with Jaseron links and fancy links. Beautifully worked medallion reverse. No clasp (original, not missing). Hallmarks: rooster's head (department 1809-1819) and census guitar for the North-West (1819-1838) First half of the 19th century L. 32 cm - Gross weight: 10.4 g Dirt, a few spots of tin soldering, reverse of medallions gilded