BRACELET, NINETEENTH CENTURY 18k yellow gold (750 thousandths) and silver (800 thousandths), rectangular, openwork links decorated with foliage clasps, partially set with half-pearls, cultured or fine pearls, and rose-cut diamonds between blue enamel fillets. Work of the 19th century Missing enamel Inside diameter: 6 cm - Gross weight: 56.3 g In a case in the Fontana Frères style, formerly Palais Royal, 7 rue de la Paix 7 Paris, monogrammed "M.D". Fontana was a French jewelry house founded in 1840 by Thomas Fontana (1813-1861) on rue de Beaujolais in Palais-Royal, and taken over in 1871 by his son Charles, who joined forces with his cousins Joseph Fontana and Alexandre Templier. The partnership lasted until 1882, when his cousins set up Fontana Frères in rue de la Paix, then rue Royale, before buying out the parent company in 1896. The Fontana archives are now kept by Chaumet.