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If you got your coticule new from a reputable seller there is no real need for lapping. The surface may be a bit on the rough side, which initially will make it work slightly faster, but slurry will...

I don't have that much experience with collecting Eschers. But they grade their stones. Surely it stands that as the rock structure varies so too does the finish it leaves.[/QUOTE]

I would not...

Thank you for you point of view. Me, I am just not too sure in a gradation of coticules in general, that's all. I think most coticules that were sold in the past and are sold today for the purpose of...

I have found no problem in doing consistent half-strokes on a 1.5" (~4cm) wide hone, which is quite a common size. After a bit of practice, I am able to do consistent half-strokes on a 1.5 cm wide...

The dishing is minimal, the results are good and you like the idea of keeping the stamps. Why would you even consider lapping it, then? Because flatter is better?

It isn't. If the dishing were...