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<p>[QUOTE=&quot;TIF, post: 2590871, member: 56859&quot;]I agree with Insider on this issue, with some caveats.</p><p><br /></p><p>I&#039;ve had a number of bronze coins which had some type of colored wax or makeup applied.&nbsp; I think that can be harmful to the coin (based on the underlying metal once I removed such applied patinas).&nbsp; I prefer to avoid coins with applied patinas. </p><p><br /></p><p>There are <a href="https://www.sciencecompany.com/Patina-Formulas-for-Brass-Bronze-and-Copper.aspx" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.sciencecompany.com/Patina-Formulas-for-Brass-Bronze-and-Copper.aspx" rel="nofollow">many many formulas for patination of bronze</a>.&nbsp; I suspect some of these thick uniformly green bronze coins have had such treatments.&nbsp; That doesn&#039;t mean I will pass one them.&nbsp; Some bronze patination recipes could be harmful to the overall fabric of the coin, so I am always at least a little concerned with how a given bronze coin was &quot;conserved&quot; prior to me owning it.&nbsp; I routinely treat most of my bronze coins by removing any wax or applied substances, soaking/drying, and application of VerdiCare.</p><p><br /></p><p>As for the the OP coin, it looks genuine to me.&nbsp; As for the age of the patina, who knows, but I&#039;m leaning towards old/real, subsequently sealed with Ren Wax.[/QUOTE]</p><p><br /></p>

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