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<p>[QUOTE="Deposito, post: 3244818, member: 90549"]Ever on ancient silver to simply eliminate the oxidation (toning) ? On my avatar photo is a denarius I like the toning on, so would not want a change. But I have some plain black denarii in great underlying condition, and even under good light, they are harder to appreciate than the lustrous clear ones. I think for silver and gold they can use electrolysis to safely delete only the oxidation, but this is not safe if you do not know what you are doing (car battery leads into a fluid, etc.)</p><p>Maybe (surely) they have other techniques I can't imagine. I'd really like to see any examples of NCS results on ancient silver[/QUOTE]</p><p><br /></p>
[QUOTE="Deposito, post: 3244818, member: 90549"]Ever on ancient silver to simply eliminate the oxidation (toning) ? On my avatar photo is a denarius I like the toning on, so would not want a change. But I have some plain black denarii in great underlying condition, and even under good light, they are harder to appreciate than the lustrous clear ones. I think for silver and gold they can use electrolysis to safely delete only the oxidation, but this is not safe if you do not know what you are doing (car battery leads into a fluid, etc.) Maybe (surely) they have other techniques I can't imagine. I'd really like to see any examples of NCS results on ancient silver[/QUOTE]
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