Box / box Art Nouveau in regulation signed Tonchery era around 1900 SB

Here is an old box in patinated regulate, art nouveau decoration in relief of a woman's face in profile and swallow. Period: circa 1900. Condition: set in good condition, traces of wear and use, as in the photos, which do not do it justice. Dimensions: height: 9 cm, length: 33 cm, width: 10 cm. Weight, 2, 700 kg, neat package: 3.5/4 kg approximately.