In the absents of Asian collectors opinions. I will just have to bravely soldier on, or is the silence telling?
I see the subtle shape to the handle as African and most of all the the loose and immediate ease of the triangle patterns on the copper also African. Perhaps Asian collectors can argue the same for Asian work. The handle is not as long as one would think.
Look at the wood. Is it Asian?
The Razor weapon may not be too much of a fantasy.