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<p>[QUOTE=&quot;ADHD, post: 2762497, member: 87486&quot;]Balancing the penny at the tip of your finger, tapping it with a penny that you know is the copper/ zinc 2.5 grams and listening to see if there is a ringing sound, because of the copper content being higher.&nbsp; The new copper/ zinc penny that started in 1982 is supposed to only weigh 2.5, whereas this one weighs in at 3.1.</p><p><br /></p><p>I hope I explained this helps, thanks![/QUOTE]</p><p><br /></p>

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