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<p>[QUOTE=&quot;Breezo, post: 764839, member: 21694&quot;]I was wondering if since this is a rare condition,does it apply to modern (within 200 years) coins? One would suspect that archeologic copper is made with substandard mining and refining techniques and more susceptable to this type of corrosion, being that is is near salty sea bodies. Our coins are not as one would suspect stored near salty sea bodies, which might in turn negate this possiblity of corrosion; and also offers itself no consideration in this realm of conversation. Sure it&#039;s possible on ancient antiquities but even then it is rare. Why not state something that is more likely? To prove a point that it exists?[/QUOTE]</p><p><br /></p>

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