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<p>[QUOTE=&quot;Insider, post: 8215173, member: 24314&quot;]baseball21, posted: &quot;Well it is surprising that someone who has taught ANA courses teaching others either thinks milk spots are caused by air or doesnt seem to know what milk spots are.</p><p><br /></p><p><span style="color: #660033">I thank you for the shout out; however, w</span><span style="color: rgb(102, 0, 51)">hat&#039;s EXTREMELY <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" /> surprising to me is that I have to spend time correcting something you did not comprehend so that others here are not misled.&nbsp; Most of us here know what actual &quot;Milk Spots are - you and me included.&nbsp; That&#039;s why <b>I made a distinction</b> in my post above:&nbsp; </span><span style="color: rgb(255, 0, 0)">&quot;<i><b><font size="6">True milk spots</font></b> have been on our coins since the 1950&#039;s...the Mint was responsible for the spots.&nbsp; </i></span><span style="color: rgb(102, 0, 102)">[IN ADDITION]</span><span style="color: rgb(255, 0, 0)"><i> The whitish stains and spots seen since the start of the SE program are probably caused by chemicals used at the mint also.&quot;</i></span></p><p><br /></p><p><span style="color: #ff0000"><i>Now, we all should know that coins develop spots after being slabbed as &quot;perfect.&quot;&nbsp; That is why the TPGS dropped their gua</i></span><font size="4"><span style="color: rgb(255, 0, 0)"><i>rantees.&nbsp; </i></span></font><font size="5"><span style="color: rgb(255, 0, 0)"><i>Who knows the cause of each of them; however, I am 100% sure that</i></span><b><span style="color: rgb(255, 0, 0)"><i> in </i></span></b></font><font size="6"><b><span style="color: rgb(255, 0, 0)"><i>many cases</i></span></b></font><b><span style="color: rgb(255, 0, 0)"><i> it is the </i></span></b><span style="color: #660066">[</span><span style="color: #660033">moisture vapor in the</span><span style="color: #660066">]</span><b><span style="color: rgb(255, 0, 0)"><i> compressed air </i></span></b><span style="color: #660066">[used at the TPGS]</span><b><span style="color: rgb(255, 0, 0)"><i>...&nbsp; </i></span></b></p><p><br /></p><p><b><span style="color: #660066">Dumb <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie30" alt=":bucktooth:" unselectable="on" unselectable="on" /> me.</span><span style="color: rgb(255, 0, 0)"> </span></b></p><p><b><span style="color: rgb(255, 0, 0)"><br /></span></b></p><p><span style="color: #660033"><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie45" alt=":eggface:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie46" alt=":facepalm:" unselectable="on" unselectable="on" /> I should have included all the [&nbsp;&nbsp; ] in my previous posts.&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie87" alt=":sorry:" unselectable="on" unselectable="on" /></span></p><p><br /></p><p>I guess the compressed air puts them on all the raw coins that get them too and cant be removed right?</p><p><br /></p><p><span style="color: #660033">Your use <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie93" alt=":troll:" unselectable="on" unselectable="on" /> of &quot;all&quot; <b>does not apply</b>.&nbsp; Whiteish spots on coins have many causes. So far only the small spots caused by some contamination after the coin was struck (including water vapor in a poor compressed air system) can be removed on MS coins.&nbsp; I know of several folks who have done it without hurting the coin! <i><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie57" alt=":jawdrop:" unselectable="on" unselectable="on" />&nbsp; </i>The true milk stains cannot be removed in a way that cannot be detected.&nbsp; </span></p><p><br /></p><p>Simply hitting a coin with air does not mean the air caused it.&nbsp; Every coin would have them if that was the case.&nbsp; If it was that simple the world mints would have solved the issue decades ago and they would be easy to fix.</p><p><br /></p><p><span style="color: #660033">Of course this is true.&nbsp; It&#039;s what&#039;s in the &quot;air&quot; and AFAIK, the Mint does </span></p><p><span style="color: #660033">[<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie10" alt=":oops:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie80" alt=":shame:" unselectable="on" unselectable="on" /><b><i>EDIT: </i></b><i>Thanks to Baseball</i>]</span> <span style="color: rgb(179, 0, 0)"><b><font size="6">NOT</font></b></span><span style="color: #660033"> use compressed air to blow stuff off the coins they strike! <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />&nbsp; I have read that at least one world mint has found a way to prevent spots from developing on their coins.</span></p><p><span style="color: #660033"><br /></span></p><p><span style="color: #660033">PS&nbsp; I&#039;ll be posting images later.</span>[/QUOTE]</p><p><br /></p>

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