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<p>[QUOTE=&quot;-jeffB, post: 3081748, member: 27832&quot;]Maybe. Sometimes the alloy used to make coins doesn&#039;t get mixed as thoroughly as it should, leaving &quot;blobs&quot; where the metal content is slightly different. As the metal gets rolled out into sheets, those blobs stretch out along the rolling direction. So the blanks that get punched out of the metal stock can have &quot;stripes&quot; of varying composition.</p><p><br /></p><p>If the different areas tone (or corrode) differently, you can end up with <i>visible</i> stripes.</p><p><br /></p><p>Or, there could have been patterns in the way the goop got stuck to the coin. Hard to say.[/QUOTE]</p><p><br /></p>

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