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Nowills go way back.....Could be any of John Nowill's fathers. Thomas Nowill?
Definitely an oldie which was kept shaving a long time!

Top one seems crossed keys? May be it's a real old one before sons and has been reground with some Solingen scales put on. All I can think.
Not as refined in the tang stamp as I am used to seeing....

John Nowill used crossed keys. Not sure what to think of the OP's razor?
All seems wrong......