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<p>[QUOTE=&quot;ahearn, post: 743286, member: 18211&quot;]Yeah, there is definitely an art to weighing coins. In my case, I was not only taring before each weighing and making sure I was on a level surface (and making sure the A/C was off and not blowing on the scale), but I also calibrated before each weighing. And I weighed each coin multiple times, which would sometimes result in a .01g difference.</p><p>&nbsp;</p><p>It seems that in the case of the American and Canadian coins, the 31.101 and 31.100 weights are a guaranteed MINIMUM, not an exact weight.</p><p>&nbsp;</p><p>Weighing pocket change is not helpful. For example, a new UNC nickel should be 5g, but my circulated pocket nickels weighed noticeably less, which is understandable.[/QUOTE]</p><p><br /></p>

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