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<p>[QUOTE=&quot;robinjojo, post: 4314201, member: 110226&quot;]I just wondering if the ditiosulfatoargentate could have been removed by soaking the coin in distilled water, and then <i>gently</i> using a soft toothbrush, followed by a distilled water rinse, to remove any residue?&nbsp; The coin, after the ditiosulfatoargentate treatment looks quite nice, retaining much of the original color.</p><p><br /></p><p>I have in the past used liver of sulfur to retone coins, but it can be tricky.&nbsp; The degree of repatination desired is the determinant in using just the right strength of liver of sulfur, plus the time of soaking, which I usually make very, very brief (seconds) followed by a rinse in distilled water, followed by assessment. Coins treated in this matter do darken, sometimes considerably, over the next day or two.[/QUOTE]</p><p><br /></p>

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