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That guy on TV -- The Woodwright's Shop, Roy Underhill.
He gets his tools super sharp from all all the times he cuts himself.

I see the arrival photo...
Carborundum... Great for setting the bevel on an ax.

I am sure it will get used.

Someone suggested gluing leather to it.
A better idea is to glue a magnetic base.

Looks like an Arkansas or WASHITA bench stone to me.