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<p>[QUOTE="JMGallego, post: 2666416, member: 35622"]By the way, great questions!</p><p><br /></p><p>Thanks for the interest, I have been working on conservation of copper and silver coins with BTA for a while. I wanted to make sure that my valuable coins were properly conserved and slabbed. </p><p><br /></p><p>TPGs are not doing surface analysis on coins submitted for grading unless it is a high valued coin, very high value... anyone knows how high before they "sniff" the coin?[/QUOTE]</p><p><br /></p>
[QUOTE="JMGallego, post: 2666416, member: 35622"]By the way, great questions! Thanks for the interest, I have been working on conservation of copper and silver coins with BTA for a while. I wanted to make sure that my valuable coins were properly conserved and slabbed. TPGs are not doing surface analysis on coins submitted for grading unless it is a high valued coin, very high value... anyone knows how high before they "sniff" the coin?[/QUOTE]
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Proper acetone procedure
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