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<p>[QUOTE=&quot;Neal, post: 24795469, member: 43872&quot;]I use a product called &quot;Coin Date,&quot; made and distributed by Garry&#039;s Coin Company from Mooresville, N.C.&nbsp; Unfortunately, I bought my 2 ounce bottle about in 1963, and I only have about a third of it left.&nbsp; It is some sort of acid, but I&#039;m not a chemist and my bottle doesn&#039;t say what it is.&nbsp; I have learned to put only a tiny amount on the date portion of the coin. (The original instructions said use three drops on the coin, but that left the entire coin rough looking.)&nbsp; For this particular coin I barely wet it, then rocked it back and forth until the dark acid became clear (about 15 seconds), but there was no date, so I repeated the process for about another 15 seconds, then rinsed thoroughly in running water.&nbsp; (Distilled would be better, but I&#039;m cheap and tap water is good for old nickles like this.)&nbsp; I&#039;m sure there are similar formulations out there for sale, but I haven&#039;t needed to buy any since 1963 so I haven&#039;t looked.&nbsp; Check with your local coin dealer if nobody answers in the comments here.[/QUOTE]</p><p><br /></p>

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