KELLER. Powder box in silver 925 and 800 thousandths, vermeiled in places, decorated with jellyfish and waves, engraved and punctuated with five round-cut sapphires and seven turquoise cabochons, interior with mirror (piqué) and powder compartment. Signed. French M.O.: WB Cie. Circa 1940-1950. Height : 8.5 cm - Width : 7.5 cm - Depth : 1 cm - Gross weight : 165.2 g