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<p>[QUOTE=&quot;GDJMSP, post: 893677, member: 112&quot;]Gentle is an understatement. With circulated coins it&#039;s no big deal, but with unc coins even touching them with your fingers (other than to hold them by the edges) can do harm to the coin. </p><p><br /></p><p><br /></p><p><br /></p><p>This works, however care must be taken because canned air has liquid propelants in the can. And if you are not very careful some of that liquid can come out when you spray the air. That stuff can harm your coins.</p><p>&nbsp;</p><p><br /></p><p><br /></p><p>To the untrained eye hairlines can be hard to see. Some folks can only see them when the coin is tilted in the light just right and/or with a loupe. But a tissue is even more abrasive than cloth. Some are even treated with lotions. So if you have wiped the coins with a tissue, then it is not a question of if the hairlines are there. It is merely a question of how bad they are.</p><p>&nbsp;</p><p><br /></p><p><br /></p><p>That used to be the case. But now the TPGs use Genuine slabs or problem coin slabs. So the coin will be slabbed, but it will not be graded.[/QUOTE]</p><p><br /></p>

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