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<p>[QUOTE=&quot;desertgem, post: 925661, member: 15199&quot;]If all coins were the same size it would make sense to use a certain magnification for grading, but the same size nick on a morgan makes a less deduction than if the same size nick was on a&nbsp; 3 cent silver. With experience one can &quot;adjust&quot; the &quot;moon surface&quot; in relation to the coin size in their head. I think most graders use a 3x-7x magnifier if they are truly grading rather than authenticating or determining a variety.&nbsp; For general looking at a coin, I prefer 10X as it is low enough to get an over all appreciation of the condition of the coin, and yet strong enough to see indications of the type of varieties I am interested. </p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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