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<p>[QUOTE=&quot;Lehigh96, post: 442343, member: 15309&quot;]I have a degree in Metallurgy from Lehigh University and specialized in corrosion.&nbsp; The toning is natural and very consistent with bag toning on Morgan Dollars.&nbsp; The only question is what caused the stain.&nbsp; Was it a liquid was put on the coin after the bag toning occurred or was there something stuck to the coin while it was in the bag.&nbsp; The answer is very difficult to determine without additional knowledge of the coin&#039;s history.</p><p><br /></p><p>However, to say that the entire obverse toning is a result of a chemical application is a stretch.&nbsp; Here is a photo of another coin with a very similar toning pattern and color scheme without the stain.&nbsp; Is this one also chemically toned?</p><p><br /></p><p><img src="http://i117.photobucket.com/albums/o59/ACPitBoss/Morgan%20Dollars/MorganDollar1886ANACSMSXX969389Obve.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /><img src="http://i117.photobucket.com/albums/o59/ACPitBoss/Morgan%20Dollars/MorganDollar1881-SNGCMS651669789-2.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Let me know what you think.[/QUOTE]</p><p><br /></p>

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