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<p>[QUOTE=&quot;GDJMSP, post: 1110710, member: 112&quot;]I understand what you&#039;re saying Doug, but is not that green patina still just the result of toning that has gone on for a very long time ?</p><p><br /></p><p>I mean when it comes down to it patina and toning both are nothing but the result of corrosion in various stages are they not ? Sure I understand that the patina takes a lot longer to form. But it starts out as toning when the coin is first in the ground. Then that toning progresses until a crust forms. That crust is what you call patina - yes ?</p><p><br /></p><p>Well, with modern coins we say they have a a skin or crsut too, And that crust is nothing but the result of toning. No, it is not formed from the coin being in the ground for a 1000 years. But it is formed as a result of the coin being exposed to the air for a 100 years say. And being exposed to the air causes the toning/corrosion.</p><p><br /></p><p>Dunno about you - but that&#039;s the same as patina to me. We just use different names because of the genre of coins being collected.[/QUOTE]</p><p><br /></p>

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