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<p>[QUOTE=&quot;Leadfoot, post: 893331, member: 2972&quot;]You may have.&nbsp; Soap and water have been used for a long time to clean coins.&nbsp; As have tissues.&nbsp; They both have downfalls.</p><p><br /></p><p>Look for <b>hairlines </b>on the coin that will only show under magnification -- and only at a certain angle (i.e. rotate the coin under the light to look for them).&nbsp; If they are present, you&#039;ve just reduced the value of the coin.</p><p><br /></p><p>Hopefully nothing has happened, but I would be exceedingly careful with any valuable coins, and not do it any more (unless you first perfect the art on cheaper coins, and are comfortable with the risk of possibly ruining your coins).&nbsp; </p><p><br /></p><p>All of the above IMO &amp; respectfully submitted...Mike</p><p><br /></p><p>p.s. Sorry to be the bearer of (possibly) bad news.&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie3" alt=":(" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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