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<p>[QUOTE=&quot;messydesk, post: 3585608, member: 1765&quot;]Have you done a specific gravity or XRF test to conclude your coin is Sterling silver?&nbsp; The mint never used anything other than 90% at the time.&nbsp; A heavy weight doesn&#039;t imply the alloy that was used.&nbsp; The difference in density between .925 and .900 is 0.36%.&nbsp; A coin that would weigh 12.5 g if 90% would weigh 12.55 g if Sterling.&nbsp; You could just as easily rationalize that there must have been a small percentage of gold in it to bring the weight up.[/QUOTE]</p><p><br /></p>

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