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<p>[QUOTE=&quot;Dafydd, post: 26339245, member: 86815&quot;]I have a really interesting coin which is a massive hammered Pound coin dated 1642 which I featured on another thread.</p><p>It has quite a bit of staining on the reverse or irregular patination. If I try and remove this it will come back as Details &quot; Nightmare cleaning, artificial toning, and a Danger Will Robinson notice from NCG.</p><p><br /></p><p>[MEDIA=youtube]RG0ochx16Dg[/MEDIA]</p><p><br /></p><p>I&#039;m reaching out to any members who have experience of NGC conservation.</p><p>Before I commit to big bucks can they deal with this to make it more attractive , do you have experience with NGC of removing stains from early coins? I don&#039;t want to spend money and have no result.</p><p>The XRF test shows the metrology is spot on with 92.5 silver etc and it would be great to see an improved coin but I don&#039;t want to waste time and money.</p><p>All comments welcome and this could equally be a US coin.</p><p>This is the coin which weighs over 123 g with a coin from the same time weighing 0.8 g !</p><p>[ATTACH=full]1681370[/ATTACH] [ATTACH=full]1681371[/ATTACH][/QUOTE]</p><p><br /></p>

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