Flavio, it almost is, but not quite
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Ian, thank you for helping me, for some reason or other, I could not copy the link, and so I gave the thread name instead
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Eftihis, I am no expert on ingots, to me it looks more like a mill ball, but I think those who know the difference should tell you. There is, however, one thing you can do, and that is to grind a bit of the surface away and try to etch the raw metal. This would give you an indication, as I understand it, but only an indication – good luck
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