First just want to say I love this site. Very helpful!

Now to the reason of this post. I just bought this Boker Razor from an antique store today for $6 because there's a chip in the blade. I got it just to have cuz i thought it looked cool. But after thinking about it i was just wondering if it would be possible to bring it from a 5/8 to a 4/8 which SEEMS to be just above the crack thats next to the chip. Like I said, dumb question, but I love the feel and weight of this one so just thought I would ask.
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Also got another one. This one says EDV NEISTROM ESKILSTUNA SWEDEN.
Theres a tiny chip on the blade but its so far back i was wondering if it could still be honed and have no problem with shaving?
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These are all the ones i picked up today
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