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<p>[QUOTE=&quot;alurid, post: 8224956, member: 81991&quot;]Was thinking thin planchet with the weight question. Laminations are more likely to be present on end of sheet planchets. Lamination can produce a wave like appearance at the surface of the coin after years of setting. It is always unknown what could be trapped inside the layers of the lamination that begin to move with repeated temperature changes. I think the cut and shear marks on the edge signal a low pressure strike that did not push the metal all the way out to the collar die to erase those lines. The 45° edges are part of the proto rim from the upsetting mill.</p><p>It is quite possible the&nbsp; the edge of the lamination got folded over in the upset mill or even while entering the coining chamber. But all said and done, it is still a </p><p>Lamination error. You could add weak or incomplete strike pressure to the Lam.[/QUOTE]</p><p><br /></p>

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