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<p>[QUOTE=&quot;satootoko, post: 119516, member: 669&quot;]I think you&#039;re right.</p><p><br /></p><p>Some collectors say acetone rinses aren&#039;t cleaning, others say it is an exception to the &quot;no cleaning&quot; rule, but either way the clear consensus is that your coin <i>needs</i> acetone.</p><p><br /></p><p>Get some of the pure stuff from a hardware or paint store.&nbsp; DO NOT use your wife/mother/girlfriend/sister&#039;s acetone nail polish remover, which contains potentially harmful additives!</p><p><br /></p><p>Most experts recommend using glass or glazed ceramic dishes (hey - a new life for&nbsp; that old ashtry you don&#039;t use any more <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" /> ) outdoors or in a very well ventilated area.&nbsp; Cover the coin with acetone, swish it around and move it to some fresh acetone.&nbsp; Do this as many times as it takes to eliminate the green death, then rinse the coin two or three times in distilled or deionized water.&nbsp; Finally, air dry it on a soft cloth which <i>has not</i> been used to rub the coin.</p><p><br /></p><p>Advanced PVC damage will actually pit or corrode the coin, and that dark green spot in the center of your first picture may be hiding that type of damage.&nbsp; If left unchecked it can turn that piece into junk silver bullion. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie9" alt=":eek:" unselectable="on" unselectable="on" /></p><p><br /></p><p>For further information and some alternative methods do a forum search on &quot;acetone&quot;.<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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