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<p>[QUOTE=&quot;SyC, post: 1012154, member: 27336&quot;]He&#039;s talking about mashed down by wear which would only effect the high points (relief and rim) and not the diameter of the entire coin. Even if it did, I don&#039;t think wear could mash the high points enough to change the diameter. But, I agree with GDJMSP, I don&#039;t think that metal is actually lost from wear. If anything, it just gets pushed around slightly. This is an extreme example, but when you sharpen a knife you create a burr, which is the metal being pushed to the edge. But, I don&#039;t know I&#039;m not a metalologist. I make knives with it <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>A theory: I think the reason there are so many examples of coins losing weight is because of chemical reactions. molecules transferring atoms that affect the weight of the coin, since different atoms weigh different weights. But, I don&#039;t know. I&#039;m not a chemicalologist.[/QUOTE]</p><p><br /></p>

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