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And one more Old Vintage Sharpening Stone Oil Stone | eBay
196080

Sometimes it happens, because the surface is not enough smooth. After 2 may be 3 sharpening times (if you sharp a razor with light pressure + without slurry) the surface will became more smooth and...

Very interesting:)
I have stone that looks the same. And it's quite different from my 8 LI and 6 CF.
It's like LM, but a little bit faster and it has different behavior while sharpening.
Nice...