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<p>[QUOTE=&quot;Clawcoins, post: 3607268, member: 77814&quot;]I&#039;ve never experimented with acid ... either now or in the 1960s</p><p>but if it was, say, inadvertantly dropped into a cup of acid (unknown type), sooner or later that acid will reduce from evaporation.&nbsp; So technically, it could etch one side more than the other.&nbsp; Also, if there was another liquid in there that was lighter that material would float up and help buffer one side.</p><p><br /></p><p>well, who really knows right ?</p><p>You&#039;d have to contact the person that did that to the coin .. that&#039;s the problem with PMD.</p><p><br /></p><p>But if it was a dime planchet, you can have an expert check the planchet itself.</p><p>Nickel</p><p>Metal Composition: 75% Copper - 25% Nickel</p><p>Mass / Weight: 5 grams</p><p><br /></p><p>a 1940 Dime would be a Mercury planchet</p><p>Metal Composition: 90% Silver - 10% Copper</p><p>Mass / Weight: 2.5 grams</p><p><br /></p><p>Should be a fairly easy confirmation right ??</p><p><br /></p><p>That ebay auction ... a $32,000 coin that they are shipping via Economy Shipping ???[/QUOTE]</p><p><br /></p>

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