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<p>[QUOTE=&quot;rick, post: 125922, member: 1235&quot;]Holy cow... I didn&#039;t know that.&nbsp; I wonder how many remain in their original packaging.</p><p>&nbsp;</p><p>Which makes me wonder - I don&#039;t know if this question has ever been addressed:&nbsp; Is it possible to keep PVC stable in certain environmental conditions that would not adversely effect the coins inside?&nbsp; Normally, the question wouldn&#039;t be important, but in this case, I would imaging that if they could be stored, say at a near freezing temperature which could possibly slow down the PVC deterioration, my guess would be that the sets would be worth a certain premium.</p><p>&nbsp;</p><p>Maybe not.</p><p>&nbsp;</p><p>Does PVC breakdown as a chemical reaction to air, or just on its own?&nbsp; I guess, then the sets could be housed in some sort of air tight environment - if a true air tight holder could be made[/QUOTE]</p><p><br /></p>

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