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<p>[QUOTE=&quot;Silverlock, post: 8324934, member: 98181&quot;]Most green on a bronze coin is stable and not only does not need treating doing so could damage the coin. This is particularly true when the coin is acquired from a reputable dealer who will treat a diseased coin before selling it. That said, if a patch of green suddenly appears and is light green in color it might be a sign of bronze disease.</p><p><br /></p><p>Please don’t use a dental pick on a coin. It’s never necessary. All you need to test for bronze disease is a toothpick. If the tip turns green after lightly tapping the suspect area then you have active corrosion. If that is the case, gently work what you can off with the toothpick. Then soak the coin for a few weeks in distilled water, checking the affected area with a toothpick until it stops being tinted green. Then treat the area with verdicare or equivalent.[/QUOTE]</p><p><br /></p>

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