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<p>[QUOTE=&quot;DonnaML, post: 4514131, member: 110350&quot;]Thank you.&nbsp; Very interesting.&nbsp; I was assured by an experienced dealer that the baking soda/distilled water/aluminum foil process was harmless, so I figured I had nothing to lose.&nbsp; I left it in the solution (with the reverse side down, resting on the foil) for a total of only about 2-3 minutes before I took the coin out and rinsed it with plain distilled water.&nbsp; As far as I&#039;ve been able to tell, it didn&#039;t do any harm, and had little or no effect on the coin&#039;s appearance beyond removing the last remaining trace of blue toning.&nbsp; (See the photos above.)</p><p><br /></p><p>Still, in retrospect, I agree that I should probably have just let well enough alone and waited to see what happens over the next few weeks or months, given how much the coin had improved in appearance on its own.&nbsp; If I hadn&#039;t already mixed the solution before I went to retrieve the coin and discovered the change, I probably would have left things alone.&nbsp; But I had already begun the process, and so I continued. Even at my relatively advanced age, I sometimes don&#039;t think or act in the most logical way![/QUOTE]</p><p><br /></p>

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