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<p>[QUOTE=&quot;Gerard, post: 45524, member: 2763&quot;]<b>Use the miracle cleaner</b></p><p><br /></p><p>It is widely known that WD40 is an excellent cleaner of coins.&nbsp; I have used it for many years to clean quite valuable coins without changing the chemical make up.&nbsp; It is a silicone based cleaner/lubricant.&nbsp; I understand it was used to lubricate the inner workings of torpedoes in WWII.</p><p><br /></p><p>Additionally, unscented Acetone nail polish remover also cleans coins and dissolves lacquer and other substances from the coins. without harming them.&nbsp; I guess you can use the scented kind if you want your coins to have a spring-like smell.</p><p><br /></p><p>Unfortunately Acetone is a controlled substance in most countries as it is very toxic and is easily absorbed in the skin.&nbsp; Apparently it can alter your DNA and cause funny growths on/in your body.</p><p><br /></p><p>A wiley old collector once told me that a regular toothbrush is also good to clean coins.&nbsp; The brush is nowhere near as hard as the metal.&nbsp; Unfortunately the ill-experienced person will ram the crud and dirt around to the point of scratching the surface.&nbsp; </p><p><br /></p><p>Perferred method to clean coins:&nbsp; Soak them in WD40 for a few days, use toothpicks or Q-tips to wipe away loosened crud.&nbsp; Leave in solution for a few more days.&nbsp; Final cleansing in a Q-tip dipped in acetone.&nbsp; Rinsed with warm water, placed on a soft cotton towel and air dried.[/QUOTE]</p><p><br /></p>

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