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<p>[QUOTE=&quot;ancient coin hunter, post: 3006019, member: 87200&quot;]Hi.</p><p><br /></p><p>I am a fairly basic cleaner. First of all I soak them in distilled water for a couple of days, then I remove loose debris with a toothbrush. For the ones that show immediate promise I then rub a bit of dishwashing liquid on the coin between the fingers under warm water in the tap. Sometimes that works out OK. </p><p><br /></p><p>For the tougher ones I soak them in an olive oil bath for a couple of weeks then I remove the crud with a toothbrush and a dental pick. This works OK as well. </p><p><br /></p><p>There&#039;s some other techniques such as electrolysis but that I&#039;ve heard can sometimes damage coins. For really tough encrustrations you can get a dremel, a kind of high speed drill and remove the stuff, but you have to be careful. I personally haven&#039;t used a dremel. Sometimes liquid descaler is recommended for the really bad ones but I tried this once and had bad results, removal of patina and so forth. </p><p><br /></p><p>Usually culls (featureless slugs or those coins that cannot be saved) I just put in a jar and keep them.[/QUOTE]</p><p><br /></p>

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