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Well that's one option although it'll cost you. You could start the process by soaking in WD-40 for a few hours and then cleaning with a green Scotchbrite pad.

This is a bit better :D....I see a few nibbles and chips starting at the toe and extending 1/3 of the way along the edge.
I believe they can be sanded/honed out. You really need to knock all the...

Well, these pics are a bit too poorly lit for me to make anything other than a guess but I'd say after unpinning the blade and sanding
with a progression of wet'n'dry you might have a keeper. More...

I don't think anyone can help you unless you include photos.