RECTANGULAR CASE IN 18K (750) YELLOW AND WHITE GOLD By Soubrenie & Bois With wickerwork decoration, the clasp with polylobed bar set with brilliants Goldsmith's hallmark RS for Soubrenie & Bois, who worked for Boucheron or Marchak Hallmark, eagle's head 3rd title Numbered 450 In a leather case H. 2.5 (1 in.) l. 9 cm (3 ½ in.) L. : 2,5 cm (1 in.) Gross weight : 69,8 gr. A yellow and white gold rectangular box, by Soubrenie & Bois