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Freakish Blue Patina? - Antoninus Pius Sestertius Slow Quadriga
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<p>[QUOTE="Marsyas Mike, post: 3084702, member: 85693"]It was paint...</p><p><br /></p><p>Before anybody scolds me for stripping a coin raw, I used only diluted alcohol and my thumb to do this. I was noticing that if I held it in my hand, it felt sticky, not a characteristic of a true patina (ha!). A tiny dab of diluted alcohol and this gunk came pilling up and off. Not just the blue but most of the brown. I haven't soaked it, or used a toothpick - only my thumb - so some of the paint is still in the crevasses. </p><p><br /></p><p>My guess is this was an overly-cleaned coin that somebody wanted to "tone down" with paint (and cover up pits). On the edge there are remnants of the original patina - a normal dark brown sort, hard and impervious to alcohol (see last photo). Because of the tiny pitting, I suspect this had what some call a Tiber patina. </p><p><br /></p><p>Well, it is a more <i>honest</i> coin now. And some details of the quadriga and horses came out that was slathered in paint before. In a thousand years or so it might re-patinate into something respectable. </p><p><br /></p><p>[ATTACH=full]777420[/ATTACH]</p><p>[ATTACH=full]777421[/ATTACH]</p><p><br /></p><p>[ATTACH=full]777422[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="Marsyas Mike, post: 3084702, member: 85693"]It was paint... Before anybody scolds me for stripping a coin raw, I used only diluted alcohol and my thumb to do this. I was noticing that if I held it in my hand, it felt sticky, not a characteristic of a true patina (ha!). A tiny dab of diluted alcohol and this gunk came pilling up and off. Not just the blue but most of the brown. I haven't soaked it, or used a toothpick - only my thumb - so some of the paint is still in the crevasses. My guess is this was an overly-cleaned coin that somebody wanted to "tone down" with paint (and cover up pits). On the edge there are remnants of the original patina - a normal dark brown sort, hard and impervious to alcohol (see last photo). Because of the tiny pitting, I suspect this had what some call a Tiber patina. Well, it is a more [I]honest[/I] coin now. And some details of the quadriga and horses came out that was slathered in paint before. In a thousand years or so it might re-patinate into something respectable. [ATTACH=full]777420[/ATTACH] [ATTACH=full]777421[/ATTACH] [ATTACH=full]777422[/ATTACH][/QUOTE]
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Freakish Blue Patina? - Antoninus Pius Sestertius Slow Quadriga
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