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<p>[QUOTE="Marsyas Mike, post: 3789989, member: 85693"]Interesting line of inquiry, Kevin. I cannot add any solid information, but here are a couple of my coins:</p><p><br /></p><p>This Antoninus Pius dupondius has a nice warm "brassy" look to it. Not sure what the original color was, but I don't think this one has a patina per se - more like toning:</p><p>[ATTACH=full]1012332[/ATTACH]</p><p><br /></p><p>A while back I posted two harshly cleaned uglies from my collection - a brassy sestertius of Antoninus Pius and a coppery as of Faustina I. I thought they did a pretty good job of showing the brass/copper difference from that era (despite my photo's over-exposure - sorry):</p><p> </p><p>[ATTACH=full]1012333[/ATTACH]</p><p><br /></p><p>Here is a Septimius Severus dupondius and an Elagabalus as. By the Severans, metal content was getting pretty sloppy, so I've heard. That the as is bigger and heavier than the dupondius adds to the sense of Roman mint disarray - and yet I think there is a brassier color to the dupondius:</p><p><br /></p><p>[ATTACH=full]1012334[/ATTACH]</p><p><br /></p><p>Here is a hard-used Trajan dupondius - not nearly as nice as Kevin's avatar. in the high point areas, where the crud has been worn away or cleaned away, looks like brass.</p><p><br /></p><p>[ATTACH=full]1012337[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="Marsyas Mike, post: 3789989, member: 85693"]Interesting line of inquiry, Kevin. I cannot add any solid information, but here are a couple of my coins: This Antoninus Pius dupondius has a nice warm "brassy" look to it. Not sure what the original color was, but I don't think this one has a patina per se - more like toning: [ATTACH=full]1012332[/ATTACH] A while back I posted two harshly cleaned uglies from my collection - a brassy sestertius of Antoninus Pius and a coppery as of Faustina I. I thought they did a pretty good job of showing the brass/copper difference from that era (despite my photo's over-exposure - sorry): [ATTACH=full]1012333[/ATTACH] Here is a Septimius Severus dupondius and an Elagabalus as. By the Severans, metal content was getting pretty sloppy, so I've heard. That the as is bigger and heavier than the dupondius adds to the sense of Roman mint disarray - and yet I think there is a brassier color to the dupondius: [ATTACH=full]1012334[/ATTACH] Here is a hard-used Trajan dupondius - not nearly as nice as Kevin's avatar. in the high point areas, where the crud has been worn away or cleaned away, looks like brass. [ATTACH=full]1012337[/ATTACH][/QUOTE]
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