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<p>[QUOTE=&quot;statequarterguy, post: 911609, member: 21782&quot;]Whenever I see rainbow toned with strong separated colors, it screams AT to me. You simply didn&#039;t see these strong separated colors before the AT days. A coin may be exposed to elements other than oxygen, producing rainbow colors, but on earth, oxygen is one of the more abundant elements and silver oxide is grayish/black. So, I would expect a rainbow toned coin to be colorful, but the colors should be subdued by silver oxide. It would be a rare coin indeed that avoided being exposed to oxygen.[/QUOTE]</p><p><br /></p>

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