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<p>[QUOTE=&quot;desertgem, post: 2713195, member: 15199&quot;]I admit, it appears etched. But direct correlation to a previous &#039;woody&#039; pattern of the etching is needed evidence of the link of cause and effect. I think insider produced excellent photos of the etching. </p><p>&nbsp;&nbsp;&nbsp; Although my metallurgy is limited, you say:</p><p><br /></p><p><br /></p><p><br /></p><p><font size="4">&nbsp;&nbsp; But the cast ingot is multiples of thickness to the planchet which I assume is flattened to size by rollers, and then punched out. Since rolling would cause lateral as well as vertical movement of the grains wouldn&#039;t most coins shows at least some of similar variations of the grains?&nbsp; Press pressure on the planchet I don&#039;t know, just asking as to understand and gain knowledge. </font></p><p><font size="4"><br /></font></p><p><font size="4">I agree bad mixing could be the cause, it was always assumed to be, but to my knowledge never acknowledge by the mint or experimentation.&nbsp; Insider, any deeper sources? Jim</font>[/QUOTE]</p><p><br /></p>

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