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<p>[QUOTE=&quot;GDJMSP, post: 760042, member: 112&quot;]You would like to hear more about what exactly ? Copper is the most reactive of all the coinage metals. Virtually anything causes it to tone almost immediately.</p><p><br /></p><p>When you say - &quot;some just look dull&quot; - it seems to imply to me that you wish they didn&#039;t look dull and that you would like to improve the way they look. Is this correct ?</p><p><br /></p><p>Well, if it is, the best advice I can give you is to sell those coins and buy ones that you are happy with as is. </p><p>&nbsp;</p><p><br /></p><p><br /></p><p>First of all one must realize that terminology plays a huge part in this. Many people tend to use the two terms - cleaned &amp; harshly cleaned - interchangably. But those two terms are worlds apart, they are as different as night is from day. </p><p><br /></p><p>Then you also have to accept that coins, all coins &amp; no exceptions, begin to tone from the very instant that they are minted. This is an undeniable and irrefutable fact. </p><p><br /></p><p>Then you must also accept that until recent years there was no method available to collectors to store their coins that would prevent the coins from toning - none. </p><p><br /></p><p>Given the above two things, then any coin that is more than say 30 years old should be toned at least to some degree. And coins that are older, many more than 100 years old, should by necessity have considerable toning.</p><p><br /></p><p>However, there are countless examples of coins, silver, copper and gold out there that show no signs of toning. So how can that be ? There is only one answer - if the coins have no toning, or very little toning, then it is because that toning has been removed. And the only way that toning can be removed is by dipping the coin in chemicals. Thus - 80% or more of all older coins have been dipped at least once in the life of that coin.</p><p><br /></p><p>Now you can argue with that reasoning if you want, but to do so doesn&#039;t really make much sense given the facts. And they are facts - not opinions.</p><p>&nbsp;</p><p><br /></p><p><br /></p><p>First of all soap is a chemical and it is reactive with the metal. And it is because no matter how much you rinse, umless you also rub the coin while rinsing, some residue from the soap remains on the coin. And the soap is very reactive with the metal over a period of time. It will also attract and cause other contaminants to stick to the coin thus causing even more reaction.</p><p><br /></p><p><br /></p><p><br /></p><p>Olive oil is acidic just like vinegar &amp; lemon juice.[/QUOTE]</p><p><br /></p>

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