Quiet Street Antiques of Bath has dated this piece to the 1800s.
It opens to reveal the fitted interior with original ink bottles; reading bar; original key to allow the box to be screwed into place if required; original makers label and three VERY secret drawers.

Below is a large drawer, with many unusual fittings including: a mirror; various ivory and glass pots; brush; many tools; two ivory combs and a rare and beautiful small printed book with many engravings: "The Almanack for 1797" (probably the date this box was originally sold).
Quiet Street Antiques of Bath has dated this piece to the 1800s.
Fine antiques at sensible prices
You can view the stock and full dealer information on the Quiet Street Antiques of Bath Profile Page