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Environmental damage on coins--can such coins be conserved?
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<p>[QUOTE="GDJMSP, post: 1406088, member: 112"]The definition of environmental damage - </p><p><br /></p><p>97|N-7 Environmental Damage – i.e. corrosion, coating (lacquer), </p><p>excessively heavy toning, etc.</p><p><br /></p><p>I don't think for a second the coin has lacquer or similar substance on it.</p><p><br /></p><p>Obviously the coin is not heavily toned, but the only reason that excessively heavy toning is even there in the definition is because toning of that type corrodes the surface of the coin. </p><p><br /></p><p>And the majority of the time, when environmental damage is listed as the problem, corrosion is the reason. The corrosion may have been caused by PVC contamination, it may have been caused by excessive toning, it may have been caused from being in the ground, it may even have been caused by an acid.</p><p><br /></p><p>But once caused, there is no fixing it. There is no conservation for this coin.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 1406088, member: 112"]The definition of environmental damage - 97|N-7 Environmental Damage – i.e. corrosion, coating (lacquer), excessively heavy toning, etc. I don't think for a second the coin has lacquer or similar substance on it. Obviously the coin is not heavily toned, but the only reason that excessively heavy toning is even there in the definition is because toning of that type corrodes the surface of the coin. And the majority of the time, when environmental damage is listed as the problem, corrosion is the reason. The corrosion may have been caused by PVC contamination, it may have been caused by excessive toning, it may have been caused from being in the ground, it may even have been caused by an acid. But once caused, there is no fixing it. There is no conservation for this coin.[/QUOTE]
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