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<p>[QUOTE=&quot;Roerbakmix, post: 6626872, member: 100731&quot;]Hi, thanks. I&#039;ve posted many guides on the restoration of silver ancient coins (which I regularly do). If you search my posting history, you&#039;ll find some examples, usually with an explanation of the procedure. </p><p><br /></p><p>In short, you&#039;ll have to know what encrustations can be present on a coin, and then find a chemical that dissolves only those encrustations without harming the coin, or harming the patina. Coins of lower purity are difficult to clean for obvious reasons, and this little hoard was of low silver purity. I&#039;m not a particular fan of oxalic acid, though it might have its merits on ferrous oxides (the brown deposits), which are terribly difficult to remove without harming the silver. </p><p><br /></p><p>I just really love cleaning coins with horn silver. It&#039;s usually super easy and fun, provided you recognize those that benefit from cleaning beforehand (which requires experience).[/QUOTE]</p><p><br /></p>

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