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<p>[QUOTE=&quot;AussieCollector, post: 3286163, member: 81093&quot;]Yes, you can do it, and I would encourage you to. I don&#039;t think it&#039;s difficult to construct something that would get you within an acceptable margin or error, you just need to construct (or jerry-rig) something to suspend your coins (without a weight on the end, like you require for a thread) so that you can compensate for your suspending apparatus. </p><p><br /></p><p>But, as [USER=57463]@kaparthy[/USER] cautions, it&#039;s not as precise as you&#039;d like, you need a scale with three decimal points, and it&#039;s important not to stress over small differences to what is expected. And even then, for ancient coins, what is expected often differs from reality (as I have mentioned several times in the OP). With pre and post industrial silver coins, we have relative confidence as to what the alloy is, but for ancient coins, we have less of an idea. Yes, we often know the silver or gold content, but we don&#039;t always know what other metals are present.</p><p><br /></p><p>This article explores the specific gravity of gold coins, and discusses the challenges of using specific gravity to estimate gold content:</p><p><a href="https://pdfs.semanticscholar.org/a96b/2376dd42ff8b3894449c8cf1918e303781cf.pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://pdfs.semanticscholar.org/a96b/2376dd42ff8b3894449c8cf1918e303781cf.pdf" rel="nofollow">https://pdfs.semanticscholar.org/a96b/2376dd42ff8b3894449c8cf1918e303781cf.pdf</a></p><p><br /></p><p>I did not post this to draw a line in the sand saying that SG is the be all and end all, I posted this for interest and discussion. At the end of the day, a huge amount of ancient coins sit in private hands, and collectors measuring and posting their results can further our understanding of ancient coins.[/QUOTE]</p><p><br /></p>

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