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<p>[QUOTE=&quot;Oldhoopster, post: 2713285, member: 84179&quot;]The ingot was rolled between the 1-2 O&#039;clock position and 7-8 O&#039;clock position (I believe they roll in both directions).&nbsp; During rolling, the ingot gets flatter and longer but not significantly wider, so any metal grains with diff alloys are going to be stretched.&nbsp; On your coin the areas of that are show a similar etching patterns are elongated along this axis. </p><p><br /></p><p>Assuming the science is correct (not a given, but I think it sounds good), I believe you can make the same inferences regarding the toning regions on woody coins as well.[/QUOTE]</p><p><br /></p>

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