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<p>[QUOTE=&quot;JDSCOIN, post: 25263, member: 1751&quot;]Hello National dealer,</p><p><br /></p><p>The subject of ancient coins is more of a specialty subject. There are actually a lot of different methods used to clean and preserve ancient coins. Your advice appears to be more related to U.S. or modern coins.</p><p><br /></p><p>The fact of the matter is that we DO &#039;rub&#039; ancient coins. In fact, some are so corroded that many collectors use metal wire brushes on them in order to &#039;clean&#039; them. Ancient coins come in various degrees of condition including extremely corroded and even encrusted states. There have been times when I have had to used a hammer and chisel.</p><p><br /></p><p>Most local coin shops do not carry supplies for ancient coins. As I had just said above, there are many methods used by collectors of ancient coins to deal with various conditions or states in which these coins may be in. A friend of mine uses lemon juice and water and just soaks coins in that solution for whatever amount of time it takes, then he soaks them in a soap/water solution. And he repeats the process as needed. Once he has a coin as clean as he wants, or intends, he then dries the coin with a cotton cloth and puts a light coating of olive oil on the coin and puts it into a 2x2.</p><p><br /></p><p>And, as I had pointed out to Yabodo, archaeologists will put a coating of laquer on coins to retard corrosion. This laquer can be removed at a later date with a solvent. And, as any collector of ancient coins knows, corrosion CAN indeed &#039;jump&#039; from one coin to others. That may depend upon a number of factors including exposure to a damp environment, etc. There is a great deal to learn and know about when it comes to the subject of ancient coins. Thanks for trying to help Yabodo. John[/QUOTE]</p><p><br /></p>

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