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Julia Mamaea sestertius reverse die match to BMC specimen?
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<p>[QUOTE="TIF, post: 3195282, member: 56859"]Hmm. I wonder if the differences indicate that parts of the reverse die were re-engraved. If that is the case, is RC's coin the "refreshed" die, or is it the BM specimen? I'd love to hear the opinion of some experts. Were dies ever created by hubbing (impressing a master, then fine-tuning the engraving)? Could that explain why some areas of the two coins appear identical and others not?</p><p><br /></p><p>Here's a photoshop overlay of the two. Some of the legend is spot-on; the lower legends are not exact. I disagree with OmNomNom and think the distance between the C and the scepter is about the same; differences are due to corrosion, strike, etc. Ditto for benhur's view of the Venus's belly. Whether that makes a difference in the overall opinion... perhaps not. There are certainly difference in details of Venus. Maybe I'm just being mislead by the strong match of the upper portion of the legends.</p><p><br /></p><p>I concede that it not likely the same die unless it has been re-engraved but would love to hear from people experienced in such matters, especially thjose with more knowledge die manufacturing and frequency (or lack of frequency) of re-engraving.</p><p><br /></p><p>Try putting your fingernail on specific points of comparison on the image and see how it compares to between the two images. Sometimes what appears to be different is not different when you account for broadness/narrowness of the letter or device. Of course my overlay may not be optimally aligned either.</p><p><br /></p><p style="text-align: center">[ATTACH=full]825683[/ATTACH]</p><p>[/QUOTE]</p><p><br /></p>
[QUOTE="TIF, post: 3195282, member: 56859"]Hmm. I wonder if the differences indicate that parts of the reverse die were re-engraved. If that is the case, is RC's coin the "refreshed" die, or is it the BM specimen? I'd love to hear the opinion of some experts. Were dies ever created by hubbing (impressing a master, then fine-tuning the engraving)? Could that explain why some areas of the two coins appear identical and others not? Here's a photoshop overlay of the two. Some of the legend is spot-on; the lower legends are not exact. I disagree with OmNomNom and think the distance between the C and the scepter is about the same; differences are due to corrosion, strike, etc. Ditto for benhur's view of the Venus's belly. Whether that makes a difference in the overall opinion... perhaps not. There are certainly difference in details of Venus. Maybe I'm just being mislead by the strong match of the upper portion of the legends. I concede that it not likely the same die unless it has been re-engraved but would love to hear from people experienced in such matters, especially thjose with more knowledge die manufacturing and frequency (or lack of frequency) of re-engraving. Try putting your fingernail on specific points of comparison on the image and see how it compares to between the two images. Sometimes what appears to be different is not different when you account for broadness/narrowness of the letter or device. Of course my overlay may not be optimally aligned either. [CENTER][ATTACH=full]825683[/ATTACH][/CENTER][/QUOTE]
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Julia Mamaea sestertius reverse die match to BMC specimen?
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