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Sorry for the missunderstanding. I mistakenly understood the OP to ask to sharpen the blade, not to also bring it back to the original shape.:fim:
My bad! Hope for your success :tu

As said by JimmyHAD in the start of the thread, if the spine wear is also more at the toe and the razor lays flat on the hone than I would think to hone as normal.
My opinion only. Why not try the...