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<p>[QUOTE=&quot;vdbpenny1995, post: 1957134, member: 32122&quot;]VERY unlikely but if you still think you got something, just weigh them on a gram scale. If its around 2.6 grams, its zinc. If its around 3.1 grams, its copper. Allow .1 or .2 grams as a tolerance&nbsp; between metal loss and accuracy of the scale.[/QUOTE]</p><p><br /></p>

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