Great examples and thank you GP for showing me those nicely worked brass scabbards and ferrules! One day when I grow up, I'll be able to replicate their quality of workmanship.
Congratulations Corrado26 on this new and nice piece.
The "f" marks I think are simplified mini-shamshirs being used as maker's marks.
TVV has a good point (every pun intended
) in that old symbols are given new meanings with the arrival of a new religion. We see this happening in the Ottoman empire, the Philippines, India, and Pakistan/Afghanistan, Morocco, and Sudan.