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<p>[QUOTE="GDJMSP, post: 4611, member: 112"]The easiest way to tell if a coin has been dipped - I should say dipped improperly or too many times - is by the luster. And you don't need magnification to do this. Just look at a coin in the light turn it slowly and watch how the light plays & reflects on the coin. If it does so consistently across the surface of the coin then the luster is not broken. </p><p><br /></p><p>But if there are spots that do not shine or reflect the light in the same manner - then these are luster breaks and the coin has either been dipped or has seen wear. </p><p><br /></p><p>An overdipped coin will appear flat and lifeless - washed out - as there will be no luster. This is because dipping solutions are mild acids that actually remove the surface of the metal. It is the fine lines that are caused by metal flow when the planchet is struck that produce luster. And when these fine lines are worn down by wear or by dipping - the luster is gone.</p><p><br /></p><p>As for silver killing germs - well - horsepuckey <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 4611, member: 112"]The easiest way to tell if a coin has been dipped - I should say dipped improperly or too many times - is by the luster. And you don't need magnification to do this. Just look at a coin in the light turn it slowly and watch how the light plays & reflects on the coin. If it does so consistently across the surface of the coin then the luster is not broken. But if there are spots that do not shine or reflect the light in the same manner - then these are luster breaks and the coin has either been dipped or has seen wear. An overdipped coin will appear flat and lifeless - washed out - as there will be no luster. This is because dipping solutions are mild acids that actually remove the surface of the metal. It is the fine lines that are caused by metal flow when the planchet is struck that produce luster. And when these fine lines are worn down by wear or by dipping - the luster is gone. As for silver killing germs - well - horsepuckey :rolleyes:[/QUOTE]
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