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<p>[QUOTE=&quot;YOC, post: 2437570, member: 58941&quot;]The pitted surface and toning . It&#039;s too clean to have a pitted surface like that and the traces of hoard deposit left mean it would have been hard to clean without a whole coin dip.&nbsp;&nbsp; The toning is slightly patchy if you look, this is because , when dipped the acid works on the areas of&nbsp; the surface of the coin without deposits longer and when the deposits have dissolved the areas which were exposed to acid longer are usually brighter and shinier.&nbsp;&nbsp; A subtle toning solution then is absorbed into the shinier areas easier and quicker due to their increased porosity.</p><p>I am pretty sure this is the case here.[/QUOTE]</p><p><br /></p>

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