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Looks like burnt paint for patina what do you think?
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<p>[QUOTE="EWC3, post: 4795473, member: 93416"]For cleaning purposes I would say there are two kinds of coins with horn silver deposits</p><p><br /></p><p>A) Ones where the silver derives from the host coin itself - which means there will be pitting underneath proportional to the encrustation on top.</p><p><br /></p><p>B) Ones where a different coin in the ground - close by - corroded and the deposit is composed of material transferred onto the host coin </p><p><br /></p><p>Obviously cleaning type B is a good idea, type A - less so. </p><p><br /></p><p>So the key question is not how to clean - but whether to clean.</p><p><br /></p><p>Obviously too - if horn silver is "chipping off" - it points towards at least some of the deposit being transferred.....</p><p><br /></p><p>R[/QUOTE]</p><p><br /></p>
[QUOTE="EWC3, post: 4795473, member: 93416"]For cleaning purposes I would say there are two kinds of coins with horn silver deposits A) Ones where the silver derives from the host coin itself - which means there will be pitting underneath proportional to the encrustation on top. B) Ones where a different coin in the ground - close by - corroded and the deposit is composed of material transferred onto the host coin Obviously cleaning type B is a good idea, type A - less so. So the key question is not how to clean - but whether to clean. Obviously too - if horn silver is "chipping off" - it points towards at least some of the deposit being transferred..... R[/QUOTE]
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Looks like burnt paint for patina what do you think?
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