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<p>[QUOTE=&quot;mikediamond, post: 49336, member: 1859&quot;]Now, that&#039;s very interesting.&nbsp; There is now a chance that you&#039;ve got a rare and very valuable &quot;transitional error&quot;.&nbsp; Since weight, diameter, and density are the same between Sac dollars and SBA dollars, the coin will have to be subjected to an SEM/X-ray spectroscopic analysis.&nbsp; I suggest you send it to a reputable grading service and pay the extra $100 or so for this test.</p><p><br /></p><p>As to the Sac dollar with the possible missing clad layer, it should indeed be thinner than normal.&nbsp; I don&#039;t know offhand how much a Sac clad layer weighs, but it should be well over a gram, since that&#039;s how much a quarter clad layer weighs.&nbsp; Therefore the coin should weigh less than 7.1 grams (normal weight is 8.1 grams).[/QUOTE]</p><p><br /></p>

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