Welcome!
That is sad news.
Tagua nuts are pretty hard; too hard to carve with a knife, so carving is normally done with hacksaw and files, per Wikipedia; I've never carved one.
Not unique; it is a style I've seen on blade blanks from Atlanta Cutlery, imitating forge marks; and I'd strongly suggest that as the source....
Just a guess: India, what they call "shesham wood."
Top, 2nd from left, is a pipe-reamer. Far right, blade for an "Arkansas toothpick" style knife, looks like it never had a handle; likely from a...
I have no specific knowledge of this guitar, but in general, there are a whole lot of fakes around; and it pays to be cautious; or perhaps, to...
It does seem to be quite a nice one, even if made for the tourist trade; but my best advice would be to do an ebay search for completed listings...
Welcome; you are doing fine so far!
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