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<p>[QUOTE=&quot;zumbly, post: 1824504, member: 57495&quot;]I&#039;ve not handled many orichalcum pieces that are sans patina, so after looking at this Marcus Aurelius sestertius over time, I started to wonder how it kept/acquired this color and whether what happened was natural or artificial.&nbsp; </p><p><br /></p><p>[ATTACH=full]300036[/ATTACH] </p><p><br /></p><p>You can see from the photo that the yellow seems to almost have an underlying dark tone, in some areas almost looking speckled.&nbsp;&nbsp; </p><p><br /></p><p>Was this coin stripped of its patina, is the color actually a coating on the coin, or is this just plain old &#039;Tiber patina&#039;?</p><p><br /></p><p>Any ideas, anyone?</p><p><br /></p><p>Z.[/QUOTE]</p><p><br /></p>

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