I would like to throw the question into the room: How sharp are battle-ready but unsharpened blades, like right after forging it into its final form.
I dont have this kind of knowledge. What makes me wonder is that for my understanding that blade (edge and tip) we are talking about is rather round-dull. Even so, that it occurs to me that you have to put extra work to create that round edge, but thats a question for a bladesmith which I cannot answer.
It seems to me that you would have to take away a lot of steel until you finally get your edge to a degree of at least 45°. Of course depending on the angle you want the edge to be in, which can vary because of different reasons.
I attach another image with the edge on the blades last third with a 1 euro cent coin for comparison. I think the coin is 1 mm thick. Keep in mind the back is a thick "pipe" of 5 mm, so the edge looks even thinner in comparison.
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