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<p>[QUOTE=&quot;desertgem, post: 3566399, member: 15199&quot;]Just a couple of general observations about coin&#039;s weight.</p><p><br /></p><p>1. The official weight is for a coin when minted, not after being on circulation, where wear can decrease and corrosion can increase weight.</p><p><br /></p><p>2. A scale should be calibrated before relying on the reading. In the scale in this thread, the calibration process is printed on the inner lid. A Calibration weight is necessary.</p><p><br /></p><p>3. A balance with at least one extra decimal space as they do round off. So to measure an accurate 3 gram weight a 0.0 balance is needed, a 3.1 weight, a 0.00 balance, for a 3.11 weight a 0.000 balance is needed.</p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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