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<p>[QUOTE="dougsmit, post: 3109373, member: 19463"]The most important part of medical treatment is diagnosis. You don't order surgery for a head cold. You don't treat cancer with Tylenol. The photo I see does not look like bronze disease but still bears watching. Separate questionable coins and look at them every day for a week. If you see no change, look once a week for a while. If no change, look once a month. All that is green is not dangerous. Don't ruin decent coins because of your fears. On the other hand, if the green spots are twice as big as they were the last time you looked, it will be necessary to act. Taking photos is a way to compare the changes from month to month and will allow you to ask help here more efficiently. I'd say over half the coins with green called bronze disease by online venues are just remains of patina speckles but it is still something to watch especially in groups of coins known for having the problem (including billon tets).[/QUOTE]</p><p><br /></p>
[QUOTE="dougsmit, post: 3109373, member: 19463"]The most important part of medical treatment is diagnosis. You don't order surgery for a head cold. You don't treat cancer with Tylenol. The photo I see does not look like bronze disease but still bears watching. Separate questionable coins and look at them every day for a week. If you see no change, look once a week for a while. If no change, look once a month. All that is green is not dangerous. Don't ruin decent coins because of your fears. On the other hand, if the green spots are twice as big as they were the last time you looked, it will be necessary to act. Taking photos is a way to compare the changes from month to month and will allow you to ask help here more efficiently. I'd say over half the coins with green called bronze disease by online venues are just remains of patina speckles but it is still something to watch especially in groups of coins known for having the problem (including billon tets).[/QUOTE]
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