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<p>[QUOTE=&quot;Luis, post: 574715, member: 17336&quot;]Daggarjon,</p><p><br /></p><p>I left all my collection back in Portugal. Most coins are worthless, but some are quite valuable (between 50 and 150$). My problem is that I&#039;ve never been aware of the pages chemical composition or even that it mattered. I never heard someone mention PVC and numismatics in the same sentence until I came to CT, basically.</p><p><br /></p><p>I never noticed new corrosion, but maybe it&#039;s because I wasn&#039;t looking for it. How can I find out if some of the pages (bought them over the years from several sources) are made of PVC? How can I know if some possible damage to the coins might be from that? Is PVC bad on silver?</p><p><br /></p><p>I should probably throw them all away and buy new stuff, but some of these coins have been stored for almost 10 years <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie4" alt=":mad:" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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