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<p>[QUOTE=&quot;clanger, post: 21056405, member: 103128&quot;]I don&#039;t know if you can get this product that I use in the u.k. It&#039;s called EDTA, short for Ethylene-diamine tetra-acetic acid. You use 50 grams in a litre of pure water, and leave it to soak. It really shifts the dirt off silver coins. I generally check the soaking coin after half an hour, then use a cotton bud to wipe off the dirt. It seems safe enough to leave it as I have done for a day, with no damage done. In David Villanueva&#039;s excellent book &quot;Cleaning Coins &amp; Artefacts&quot;, he also mentions Sodium thiosulphate for cleaning silver, but I&#039;ve not tried this one. All the best with your lovely coin. Oh, and I honestly think it looks okay as it is, it shows it has age which you&#039;ll loose if it&#039;s all shiny![/QUOTE]</p><p><br /></p>

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