Boringly enough as a recently former professional chef, I can indicate that efforts to sharpen your serrated bread knife would probabaly do it an injustice.
I would ask wurstoff for thier opinion as it was purchased fairly recently.
I have a guy in Western Australia that could do it.
And I could vouch for his work, he sharpens correctly in my opinion, he sharpens with mild abrasion(not removing the 'meat') then applies a smooth honer to re-harden the edge.
regards Andy

