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Another thing to consider is that Francisco means "from France" so perhaps it is a french razor? but it sure doesnt look french with that barbers notch?

Nothing to do with the missing tang at all, its the very proeminent shank on this razor is very uncommon to 1700's razors. Also no provenance, the scales looks like a slight curve on the last pic.

Francesco could be Italian as well, that razor doesnt resemble any XVIII century razors that i have seen more like early 1800's.