I'm after some advice on the best way of sharpening this blade. It's marked Stanley sweetheart from a number 7. It seems to be a laminated one as there is a line going across the middle of the blade.
The problem I have is that there are small nicks on the right edge due to pitting on the back...
Just saw this on Gumtree. Is a square really worth £1000
https://www.gumtree.com/p/for-sale/very-rare-chesterman-sheffield-48-inspection-grade-toolroom-square/1353413648
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