Message:

<p>[QUOTE=&quot;Oldhoopster, post: 3337818, member: 84179&quot;]It was exposed to some type of corrosive environment that is causing the surface to react and spall off.&nbsp; I also suspect heat was involved as well, but can’t say with certainty.&nbsp; It IS NOT a clay matrix or experimental material, just a regular Buffalo Nickel that was in the wrong place at the wrong time[/QUOTE]</p><p><br /></p>

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