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<p>[QUOTE=&quot;dougsmit, post: 2399958, member: 19463&quot;]Do coins of this period show signs of surface enrichment?&nbsp; I could see the signs explained by that but I was not aware that it was done here.&nbsp; For those not aware of the concept, the idea is that a coin blank of silver copper alloy could be soaked in an acid that would leech out some of the copper from the surface leaving a honeycomb of pure silver.&nbsp; When the blank was heated and struck by the dies the honeycomb would be mashed into a surface of silver of higher quality than that of the center part of the coin.&nbsp; </p><p><br /></p><p>I really would like a book on technical matters as shown on ancient coins but there is much less interest in this part of the hobby than in types and dates.&nbsp; None of these coins show seams like at least some fourrees of the period do so I agree that the coin probably is not fourree.&nbsp; The Berlin coin looks exactly like what I would expect from a well worn surface enriched coin but I am a beginner in this so may be missing the obvious answer.&nbsp; Do denarii of the same period/issues show similar artifacts?&nbsp; The only ones I have are fourrees (without question!).&nbsp; </p><p><br /></p><p><br /></p><p>I really believe that people absolutely certain of their answers rarely fully understood the question.&nbsp; All of our studies need to be footnoted with the fact that new data might change the accepted facts.&nbsp; I know I am not keeping up with many things.&nbsp; In my generation there were nine planets and dentists insisted you use hard toothbrushes.&nbsp; </p><p><br /></p><p>I just found an interesting photo fig. 1.1 on</p><p><a href="https://books.google.com/books?id=DePLWNBEvfQC&amp;pg=PA16&amp;lpg=PA16&amp;dq=surface+enriched+silver+coins&amp;source=bl&amp;ots=pcuqmEuLej&amp;sig=5Dpp4HQ-WvLbmfcBCLIxuibH1Wc&amp;hl=en&amp;sa=X&amp;ved=0ahUKEwi24fn43pTMAhXLqB4KHSf_AsEQ6AEITzAI#v=onepage&amp;q=surface%20enriched%20silver%20coins&amp;f=false" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://books.google.com/books?id=DePLWNBEvfQC&amp;pg=PA16&amp;lpg=PA16&amp;dq=surface+enriched+silver+coins&amp;source=bl&amp;ots=pcuqmEuLej&amp;sig=5Dpp4HQ-WvLbmfcBCLIxuibH1Wc&amp;hl=en&amp;sa=X&amp;ved=0ahUKEwi24fn43pTMAhXLqB4KHSf_AsEQ6AEITzAI#v=onepage&amp;q=surface%20enriched%20silver%20coins&amp;f=false" rel="nofollow">https://books.google.com/books?id=DePLWNBEvfQC&amp;pg=PA16&amp;lpg=PA16&amp;dq=surface+enriched+silver+coins&amp;source=bl&amp;ots=pcuqmEuLej&amp;sig=5Dpp4HQ-WvLbmfcBCLIxuibH1Wc&amp;hl=en&amp;sa=X&amp;ved=0ahUKEwi24fn43pTMAhXLqB4KHSf_AsEQ6AEITzAI#v=onepage&amp;q=surface enriched silver coins&amp;f=false</a></p><p><br /></p><p>but it is too late tonight for me to digest this.&nbsp; I had once considered buying this book but never did.&nbsp; Who has it and would give a review?[/QUOTE]</p><p><br /></p>

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