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<p>[QUOTE=&quot;cladking, post: 1555420, member: 68&quot;]Good question.&nbsp; I never even thought of it.&nbsp; I doubt PVC can become air-borne in sufficient quantity to affect other coins normally because they are embedded inside the pliofilm.&nbsp; Perhaps if they split open it could affect other unprotected coins.&nbsp; </p><p><br /></p><p>I tend to wait to dismantle them until they start going bad.&nbsp; All my &#039;69-D gem sets were lost several years ago and I was heart sick since there was no way to restore the coins.&nbsp; Fortunately they were caught soon enough that baths in acetone, isopropyl and denatured alcohol were able to save most of the coins.&nbsp; My finest &#039;69-D PL 25c was worse for wear and many great coins were lost.&nbsp; </p><p><br /></p><p>As a rule keep foam rubber far away.&nbsp; Empty sets in soft plastic and stabilize the coins.&nbsp; Watch all your coins carefully because they can turn surprisingly fast.[/QUOTE]</p><p><br /></p>

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