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<p>[QUOTE=&quot;eric6794, post: 2904346, member: 76066&quot;]not every coin deteriorates the same way, for example take 2 nickels put one in clay that has a ph balance of 2 and put another in clay with a ph balance of 10. The one with a 2 ph balance is really acidic and therefore will eat the surface of the nickel faster than the alkaline soil. Your coin has defiantly lost weight due to enviromental damage.[/QUOTE]</p><p><br /></p>

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