Old captain's cane called Cape Hornier, made of shark vertebrae on an iron core, horn pommel, iron ferrule, sailor's work, from the 19th century.
This cane is in good general condition, it is in its juice. These canes were often given by sailors to their captain. The pommel is ergonomic.
Note: the vertebrae are moving a little, probable oxidation of the iron rod, scratches and wear over time, look carefully at the photos.