I think one of the iwasaki razors even has a story of over 1000 attached to it.

On a woodworking board, someone told me they used their tamahagane kamisori every day for a year without rehoning it.

I have been able to weed out some of the plane and chisel stories, just because I know how they fail and results from competitions bear out that the modern steels with lots of carbides will always beat a plain steel in a durability contest.

But some reputable dealers and iwasaki have made some pretty big claims about their harder razors, and I can't say too much other than the razor may be the perfect instrument for a super plain carbon steel like tamahagane. I think my hope of getting a white #1 razor just aren't reasonable because no maker is going to go to the trouble of using white #1 and running it to 67 hardness unless they're getting the price they'd get for a tamahagane type steel with the mysticism that surrounds it.