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If you look at the second photo, you'll see that the bevel almost disappears at the middle of the blade.

A wide bevel in the middle on one side plus miniscule bevel in the middle on the other side...

That is not a frown in progress. The uneven bevel is irrelevant As Glen already pointed out, the uneven bevel is likely due to either an uneven grind or a warped blade. I would never bother to...