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<p>[QUOTE="900fine, post: 478098, member: 6036"]Tell me more. </p><p> </p><p>Did the mint did keep records of trace impurities ? The official composition was 90% Silver, 10% copper. Is there some post-mint analysis of the alloys ? What are the trace metals, and how much ?[/QUOTE]</p><p><br /></p>
[QUOTE="900fine, post: 478098, member: 6036"]Tell me more. Did the mint did keep records of trace impurities ? The official composition was 90% Silver, 10% copper. Is there some post-mint analysis of the alloys ? What are the trace metals, and how much ?[/QUOTE]
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