@doitproper: I nearly threw this bit of stone away till I noticed these markings. I still can’t quite make them out, can you?? #restoration #restore #oldtools #whetstone #historian

reselleruk :

Get a decent photo of it and ask ai, it is pretty good at this type of thing now

Jas :

I think you are right with the carborundum bit that was a well known company that sold sharpening stones. Looks like c1 then some other numbers below

Sarah Marie ✨️🍀 :

ooooohh its a mystery! 😁

Do it Proper • Dan :