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<p>[QUOTE="dougsmit, post: 3790290, member: 19463"]Judging ~2000 year old metal by color requires a lot of allowance for what happens when any copper alloy spends all that time exposed to a variety of 'experiences'. The yellow ones we have today <i>could</i> be naturally toned but most have been cleaned sometime in the past 500 years and exposed to a second generation of different 'experiences'. Roman shopkeepers would have had it easier. Below are a few of my yellow coins showing a variety of tones.</p><p><br /></p><p>Antonia dupondius</p><p>[ATTACH=full]1012464[/ATTACH] </p><p>Nero sestertius</p><p>[ATTACH=full]1012465[/ATTACH] </p><p>Vespasian dupondius</p><p>[ATTACH=full]1012466[/ATTACH] </p><p>Domitian dupondius</p><p>[ATTACH=full]1012467[/ATTACH] </p><p>Commodus sestertius</p><p>[ATTACH=full]1012468[/ATTACH] </p><p>Julia Domna sestertius</p><p>[ATTACH=full]1012469[/ATTACH] </p><p>Julia Maesa sestertius</p><p>[ATTACH=full]1012470[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="dougsmit, post: 3790290, member: 19463"]Judging ~2000 year old metal by color requires a lot of allowance for what happens when any copper alloy spends all that time exposed to a variety of 'experiences'. The yellow ones we have today [I]could[/I] be naturally toned but most have been cleaned sometime in the past 500 years and exposed to a second generation of different 'experiences'. Roman shopkeepers would have had it easier. Below are a few of my yellow coins showing a variety of tones. Antonia dupondius [ATTACH=full]1012464[/ATTACH] Nero sestertius [ATTACH=full]1012465[/ATTACH] Vespasian dupondius [ATTACH=full]1012466[/ATTACH] Domitian dupondius [ATTACH=full]1012467[/ATTACH] Commodus sestertius [ATTACH=full]1012468[/ATTACH] Julia Domna sestertius [ATTACH=full]1012469[/ATTACH] Julia Maesa sestertius [ATTACH=full]1012470[/ATTACH][/QUOTE]
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