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<p>[QUOTE=&quot;TIF, post: 2380256, member: 56859&quot;]I&#039;ve had a handful of coins with bronze disease, either arriving with it or developing it.&nbsp; The first, before I knew what BD was, quickly became unsalvageable.&nbsp; Fortunately it was a prutah of little value.&nbsp; Of the coins I&#039;ve treated, so far recurrence has only happened in one.&nbsp; I probably didn&#039;t soak it long enough or with enough changes of solution.&nbsp; The [homemade and approximated] sodium sesquicarbonate method is what I use.&nbsp; It does change the patina and color of the coin-- the coin will be darker.&nbsp; </p><p><br /></p><p>Some articles on treatment:</p><p><br /></p><p><a href="http://www.forumancientcoins.com/numiswiki/view.asp?key=Bronze%20Disease" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.forumancientcoins.com/numiswiki/view.asp?key=Bronze%20Disease" rel="nofollow">http://www.forumancientcoins.com/numiswiki/view.asp?key=Bronze Disease</a></p><p><br /></p><p><a href="http://www.collector-antiquities.com/collectors-resources/collector-essentials/cleaning-restoring-and-conservation/bronze-disease.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.collector-antiquities.com/collectors-resources/collector-essentials/cleaning-restoring-and-conservation/bronze-disease.html" rel="nofollow">http://www.collector-antiquities.com/collectors-resources/collector-essentials/cleaning-restoring-and-conservation/bronze-disease.html</a></p><p><br /></p><p><a href="http://www.romanorum.com/docs/A%20Method%20for%20cleaning%20ancient%20coins.%20Romanorum.com.pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.romanorum.com/docs/A%20Method%20for%20cleaning%20ancient%20coins.%20Romanorum.com.pdf" rel="nofollow">http://www.romanorum.com/docs/A Method for cleaning ancient coins. Romanorum.com.pdf</a>&nbsp; A thorough presentation on cleaning.&nbsp; Scroll to page 20 to see information about treating BD.[/QUOTE]</p><p><br /></p>

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