Natural ancient white coral on a black wood base curiosity cabinet

Unique piece - An ancient branch of natural white coral on a blackened wood base from the Napoleonic III era, late 19th century, and a brass piece. Ideal for a cabinet of curiosities, refined marine decoration, or a naturalist interior. In very good condition, please see the photos. Height: 22 cm. Height of the base: 11 cm. Width of the base: 6 cm. Width of the coral: 11 cm. Depth of the coral: 11 cm. Height of the coral: 10 cm. Weight: 180 grams. This coral is antique, coming from a private collection before 1970; I mention this because now these corals are and must be protected to preserve them.