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Newly Obtained American Silver Eagle with a story and questions
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<p>[QUOTE="GDJMSP, post: 8181957, member: 112"]As already stated, there are several theories as to what causes milk spots but <u>nobody knows</u> with any degree of certainty what really causes them. </p><p><br /></p><p>My personal theory is that milk spots are due to some sort of impurity in the metal. Which is why they only show up on some coins and don't show up on others, and also why it sometime takes them a while to show up at all. In other words, a bit of toning has to occur before some of them become visible, while some others apparently show up immediately after the coin is struck. </p><p><br /></p><p>And of course them being in the metal itself is why they cannot be safely removed. And, to the best of my knowledge PCGS still has a standing $25,000 reward for anybody who can come up with a way to safely remove milk spots.</p><p><br /></p><p>Me, I don't expect it can ever be done precisely because they are in the metal, not on it.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 8181957, member: 112"]As already stated, there are several theories as to what causes milk spots but [U]nobody knows[/U] with any degree of certainty what really causes them. My personal theory is that milk spots are due to some sort of impurity in the metal. Which is why they only show up on some coins and don't show up on others, and also why it sometime takes them a while to show up at all. In other words, a bit of toning has to occur before some of them become visible, while some others apparently show up immediately after the coin is struck. And of course them being in the metal itself is why they cannot be safely removed. And, to the best of my knowledge PCGS still has a standing $25,000 reward for anybody who can come up with a way to safely remove milk spots. Me, I don't expect it can ever be done precisely because they are in the metal, not on it.[/QUOTE]
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Newly Obtained American Silver Eagle with a story and questions
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