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<p>[QUOTE=&quot;Seattlite86, post: 3549673, member: 59737&quot;]Sorry, but it&#039;s highly unlikely that this is a copper.&nbsp; An easy way to tell is to run it through a Ryedale sorting machine and see if it&#039;s copper or zinc.&nbsp; Of course, you&#039;d have to spend a couple hundred bucks on said machine.&nbsp; The thing is, though, that a 0.2 difference on 2.5g represents an 8% variance, which is much more reasonable to expect than a .4 difference on 3.11g, which represents a 13% variance.&nbsp; I would also be curious when the last time you calibrated your scale?&nbsp; .1g is not that hard to shift.&nbsp; I&#039;m not saying it&#039;s definitively not the big one, but it&#039;s most likely not.</p><p><br /></p><p>Edit: it looks like a small plate blister running NE/SW between the 8 and the 2.&nbsp; The obverse has me thinking it&#039;s a Zlincoln.[/QUOTE]</p><p><br /></p>

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