I would lay long odds that it was make in Pakistan or India and it was identical to this:
Which you will have seen if you watched the RDJ Sherlock Holmes film(s) in the hands of Dr. Watson. You may also have seen one in my home or the homes of many other people who pick up such items.
These were mass produced and cheaply made specifically for export to people who wanted something antique and/or reminiscent of the Raj period of British occupation. You can find them in shitty antique shops all the time and they are never worth what they are asking. They are ginned up “antique” items that were probably stained with tea or coffee.
Cold-Steel makes probably the best easily available sword-cane there is, but you’ll get popped with that one too.
If you want to fly armed but don’t want to buy a pistol, locking hardcase, CCW permit for wherever you go, and pay baggage fees I suggest this:
Which is a good walking stick/cane, does not get taken by TSA (they will stow it and return it at the destination), and as effective in the hands of most folks as a blade.