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Putting the TONE in Antonine!
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<p>[QUOTE="hotwheelsearl, post: 7908813, member: 75143"]I have very few toned treasures.</p><p><br /></p><p>Trajan, with what you could call artificial toning. I cleaned it with sodium hydroxide, vinegar, lemon juice, sodium thiosulfate, and a final splash of Tarn-X silver cleaner.</p><p>The nice colors you see have since changed to a rather more dark colors, especially on the obverse. </p><p>[ATTACH=full]1365153[/ATTACH] </p><p><br /></p><p>This Quintillus has some delicate blue toning on the obverse, probably not "natural" but not too egregiously artificial.</p><p>[ATTACH=full]1365158[/ATTACH] </p><p><br /></p><p> This Vespasian has some more blue toning, again what I believe to be artificially induced. It almost looks like fire damage combined with some sulfur. Maybe burned in a acidic envelope? At least it's more stable than the Trajan.</p><p>[ATTACH=full]1365159[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="hotwheelsearl, post: 7908813, member: 75143"]I have very few toned treasures. Trajan, with what you could call artificial toning. I cleaned it with sodium hydroxide, vinegar, lemon juice, sodium thiosulfate, and a final splash of Tarn-X silver cleaner. The nice colors you see have since changed to a rather more dark colors, especially on the obverse. [ATTACH=full]1365153[/ATTACH] This Quintillus has some delicate blue toning on the obverse, probably not "natural" but not too egregiously artificial. [ATTACH=full]1365158[/ATTACH] This Vespasian has some more blue toning, again what I believe to be artificially induced. It almost looks like fire damage combined with some sulfur. Maybe burned in a acidic envelope? At least it's more stable than the Trajan. [ATTACH=full]1365159[/ATTACH][/QUOTE]
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Putting the TONE in Antonine!
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