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<p>[QUOTE=&quot;dougsmit, post: 2839963, member: 19463&quot;]Sallent&#039;s post covered the matter well as I recall hea.ring it but we do need to remember one additional thing when looking at any coins.&nbsp; That is variability within a sample, an issue, a mint or even a coin.&nbsp; We see some coins that just do not appear to have been well mixed in the alloy so there will be blotches of color and texture.&nbsp; We will find coins that should be identical but are better or worse in terms of silver.&nbsp; Both of these could be variations in the original alloy or in the degree the pickling process (regular or hi-test urine?).&nbsp; When there were several mints in operation, we can not assume that each followed the same &#039;recipes&#039; when making coins.&nbsp; Add to that the old fact that things like weight and alloy could be an overall average with little effort made to make every coin or every day&#039;s production match as long as they produced the full number of coins and used the proper amount of metal.&nbsp; I&#039;d like to see more study put into whether mints tracked overall weight and fineness separately or if they measured the precious silver and mixed in copper or pot metals and varied weights so coins with lower grade silver might be expected to weigh more.&nbsp; I doubt many alloys were made using pure silver and pure copper.&nbsp; When old coins were being melted into the mix, tracking the results and keeping them consistent would be quite a job.&nbsp; There are collectors and students with specialist interest in metallurgy rather than types.&nbsp; One some of you might know&nbsp; is Robert Tye, author of the standard work <b>Jitals</b>.&nbsp; </p><p><br /></p><p>Gordian fans might like </p><p><br /></p><p><b><font size="4"><a href="https://www.abebooks.co.uk/servlet/BookDetailsPL?bi=17916871433&amp;searchurl=tn%3Dthe%2Bminting%2Bof%2Bantoniniani%2Ba%2Bd%2B238%2B249%2Band%2Bthe%2Bsmyrna%2Bhoard%26sortby%3D17%26an%3Deddy%2Bsamuel" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.abebooks.co.uk/servlet/BookDetailsPL?bi=17916871433&amp;searchurl=tn%3Dthe%2Bminting%2Bof%2Bantoniniani%2Ba%2Bd%2B238%2B249%2Band%2Bthe%2Bsmyrna%2Bhoard%26sortby%3D17%26an%3Deddy%2Bsamuel" rel="nofollow">Minting of Antoniniani A. D. 238-249 and the Smyrna Hoard (Nuismatic Notes and Monographs, No. 156)</a>, </font></b><font size="4">Eddy, S. K.</font></p><p><br /></p><p>which comes in paper and electronic versions these days.&nbsp; I believe most of the NNM series are out there free somewhere but I did not do the research.&nbsp; I have a paper original (old fashion book).</p><p>I have seen sharper transfers than this one but it is the book.</p><p><a href="https://www.scribd.com/document/255941035/The-minting-of-Antoniniani-A-D-238-249-and-the-Smyrna-hoard-by-Samuel-K-Eddy" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.scribd.com/document/255941035/The-minting-of-Antoniniani-A-D-238-249-and-the-Smyrna-hoard-by-Samuel-K-Eddy" rel="nofollow">https://www.scribd.com/document/255941035/The-minting-of-Antoniniani-A-D-238-249-and-the-Smyrna-hoard-by-Samuel-K-Eddy</a>[/QUOTE]</p><p><br /></p>

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