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<p>[QUOTE="desertgem, post: 3212692, member: 15199"]Examining cross-section, the worst instrument to use is a light microscope as reflections can give false layers ( as are many of the 'false' Doubled dies presented to the forum). Ultrasound derived microscopes are much better to use, since the science of ultrasound has greatly enhanced the resolution .. Here are some results from Google on " Cross section of coin dies", there are more, but they will take some time to read. Nice illustrations in many.</p><p><br /></p><p><b>Hey Ancient coin people, many are in your area !</b></p><p><br /></p><p><a href="https://www.researchgate.net/figure/A-cross-section-of-coin-A-is-shown-here-as-an-example-of-the-deviation-in-height-between_fig19_313300577" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.researchgate.net/figure/A-cross-section-of-coin-A-is-shown-here-as-an-example-of-the-deviation-in-height-between_fig19_313300577" rel="nofollow">https://www.researchgate.net/figure/A-cross-section-of-coin-A-is-shown-here-as-an-example-of-the-deviation-in-height-between_fig19_313300577</a></p><p><br /></p><p><br /></p><p><a href="https://www.researchgate.net/publication/322696760_Beyond_Photography_An_interdisciplinary_exploratory_case_study_in_the_recording_and_examination_of_Roman_silver_coins" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.researchgate.net/publication/322696760_Beyond_Photography_An_interdisciplinary_exploratory_case_study_in_the_recording_and_examination_of_Roman_silver_coins" rel="nofollow">https://www.researchgate.net/publication/322696760_Beyond_Photography_An_interdisciplinary_exploratory_case_study_in_the_recording_and_examination_of_Roman_silver_coins</a></p><p><br /></p><p><a href="http://warehamforgeblog.blogspot.com/2006/05/coins-and-coin-dies.htm" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://warehamforgeblog.blogspot.com/2006/05/coins-and-coin-dies.htm" rel="nofollow">http://warehamforgeblog.blogspot.com/2006/05/coins-and-coin-dies.htm</a></p><p><br /></p><p><a href="https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=15&ved=2ahUKEwiCotKq94jeAhVLsVQKHayLA5UQFjAOegQICRAC&url=https%3A%2F%2Fcore.ac.uk%2Fdownload%2Fpdf%2F82280161.pdf&usg=AOvVaw1C5KM1_bDsnFJcZa2A_aKg" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=15&ved=2ahUKEwiCotKq94jeAhVLsVQKHayLA5UQFjAOegQICRAC&url=https%3A%2F%2Fcore.ac.uk%2Fdownload%2Fpdf%2F82280161.pdf&usg=AOvVaw1C5KM1_bDsnFJcZa2A_aKg" rel="nofollow">https://core.ac.uk/download/pdf/82280161.pdf</a>[/QUOTE]</p><p><br /></p>
[QUOTE="desertgem, post: 3212692, member: 15199"]Examining cross-section, the worst instrument to use is a light microscope as reflections can give false layers ( as are many of the 'false' Doubled dies presented to the forum). Ultrasound derived microscopes are much better to use, since the science of ultrasound has greatly enhanced the resolution .. Here are some results from Google on " Cross section of coin dies", there are more, but they will take some time to read. Nice illustrations in many. [B]Hey Ancient coin people, many are in your area ![/B] [url]https://www.researchgate.net/figure/A-cross-section-of-coin-A-is-shown-here-as-an-example-of-the-deviation-in-height-between_fig19_313300577[/url] [url]https://www.researchgate.net/publication/322696760_Beyond_Photography_An_interdisciplinary_exploratory_case_study_in_the_recording_and_examination_of_Roman_silver_coins[/url] [url]http://warehamforgeblog.blogspot.com/2006/05/coins-and-coin-dies.htm[/url] [URL='https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=15&ved=2ahUKEwiCotKq94jeAhVLsVQKHayLA5UQFjAOegQICRAC&url=https%3A%2F%2Fcore.ac.uk%2Fdownload%2Fpdf%2F82280161.pdf&usg=AOvVaw1C5KM1_bDsnFJcZa2A_aKg']https://core.ac.uk/download/pdf/82280161.pdf[/URL][/QUOTE]
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