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<p>[QUOTE=&quot;GDJMSP, post: 4055454, member: 112&quot;]Others have provide adequate answers regarding documentation. As for Coin Care, please don&#039;t use it. And yes, there is an oily residue because it contains oil - that&#039;s why you don&#039;t want to use it ! </p><p><br /></p><p><br /></p><p><br /></p><p>I&#039;ll try and make this as simple and straightforward as I can. Do not use MS70 on any copper coins - not ever ! MS70 contains chemicals that will cause the copper coins to turn weird colors, usually a shade of blue or purple. </p><p><br /></p><p>Pretty much all other coins, meaning gold, silver, or clad coins, MS70 is not going to hurt them. BUT - about the only coins you&#039;d actually want to us MS70 on are Proof coins, and you only use it on them to remove haze from the coins. In all other cases, there are better things to use than MS70.</p><p><br /></p><p><br /></p><p><br /></p><p>What you&#039;re saying here, this is partially why you don&#039;t want to use MS70 on just any coin. You should only use MS70 in very specific cases - Proof coins that have haze on them. </p><p><br /></p><p><br /></p><p><br /></p><p>This has already been answered by others. </p><p><br /></p><p><br /></p><p><br /></p><p>Please, don&#039;t ever wipe your coins with anything, not anything ! There is no cloth, no fabric of any kind made by anybody, no paper towels, no napkins, no microfiber cloth, absolutely nothing -&nbsp; that is safe to wipe a coin with. You don&#039;t even want to use your finger. The very first rule in coin collecting is to never touch the surface of the coin with anything ! When you must hold a coin, hold it by the edges only - and never touch the coin anyplace else ! And before you do even that much, you should always wash your hands first !</p><p><br /></p><p>Wiping the surface of the coin with anything is harmful to the coin !</p><p><br /></p><p>To learn how to use distilled water, acetone, and xylene to safely clean your coins please read the instructions I have posted in this thread - </p><p><a href="https://www.cointalk.com/threads/proper-acetone-procedure.193708/" class="internalLink ProxyLink" data-proxy-href="https://www.cointalk.com/threads/proper-acetone-procedure.193708/">https://www.cointalk.com/threads/proper-acetone-procedure.193708/</a>[/QUOTE]</p><p><br /></p>

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