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<p>[QUOTE=&quot;desertgem, post: 1558471, member: 15199&quot;]I don&#039;t collect paper money specifically, but it probably hinges on whether other &quot;serious&quot; paper collectors think that such &quot;conservation&quot; is doctoring, in which the best case is not to say much about it. </p><p><br /></p><p>Phthalates, the common plasticizer generally doesn&#039;t chemically react with paper-linen-cotton, etc. plant material, so there shouldn&#039;t be damage due specifically to it. The translucent appearance results when there is some damage to the fibers such as a fold or tear, so the plasticizer molecules can attach, but not chemically joined to the fibers. Acetone should be able to remove it, if it isn&#039;t other type of plastic materials. I would use a glass container with a flat bottom larger than the bill so it can lay flat, immerse the bill in pure acetone and allow to stay for a minute or so, and then, lift the bill free in hand and pour some other pure acetone over the bill and allow to drain off. Dry and if the material is still there, repeat with fresh acetone. If it doesn&#039;t come off after 2 tries, it is probably something else. There are other plasticizers than phthalates and some fall into the epoxy area which acetone won&#039;t remove.</p><p><br /></p><p>Don&#039;t used if there is added inked notations or signatures that are important and wasn&#039;t part of the original print ink.</p><p>Determine if the fold or tear will separate further without the &quot;stuff&quot; holding it together before any treatment.</p><p><br /></p><p>Some may consider this as &quot;cleaning&quot; other than conserving, so this is just for informational purposes ! IMO.</p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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