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<p>[QUOTE=&quot;NorthKorea, post: 1559724, member: 29643&quot;]To answer the first part, not exactly. I didn&#039;t wash the coins after the acetone. The process was: acetone, blue stuff, acetone, water. I posted the coins here when it happened.</p><p><br /></p><p>On another note... why not take the quarter out of the cardboard flip to photograph? That will cut down on reflection imparted by the flip itself.</p><p><br /></p><p>As for the copper/silver toning, that doesn&#039;t make a lot of sense to me. Tarnish and patina have different names, because, for right or wrong, they are different metals being changed. A silver quarter shouldn&#039;t have the same colors as a copper penny, for the simple reason that they aren&#039;t the same material/surface. In order for that to happen, either the quarter or penny had a change in surface composition... or the 10% copper REALLY reacted and the 90% silver didn&#039;t.[/QUOTE]</p><p><br /></p>

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