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<p>[QUOTE=&quot;ValpoBeginner, post: 2978782, member: 77066&quot;]I find when I self-slab or use an airtight when some dust is on a proof coin, I just use a can of this stuff to blow it away from the coin and holder:</p><p><br /></p><p>, [ATTACH=full]732468[/ATTACH]</p><p><br /></p><p>It&#039;s that keyboard cleaner in a pressurized can of Difluoroethane.&nbsp; So far it hasn&#039;t affected the surfaces of my coins in AIRTIGHT containers, but the practice is still the &quot;experimental phase&quot;. It should work with most modern proofs, as it is only reactive with alkali and alkaline earth metals. The first two columns of the periodic table. So I mainly use it for Copper-Nickel clad Commemorative proofs.&nbsp; and a few pr-65&#039;s like Franklin proofs.</p><p><br /></p><p>Here is one I did a year ago.</p><p>[ATTACH=full]732470[/ATTACH]</p><p>[ATTACH=full]732471[/ATTACH]</p><p>The dust on this one is on the outside of the plastic </p><p><br /></p><p>Anyone else remove dust particles in another way?❔❔❔[/QUOTE]</p><p><br /></p>

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