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<p>[QUOTE=&quot;GDJMSP, post: 1576344, member: 112&quot;]Assume ? No, but it&#039;s sure enough to make you wonder isn&#039;t it.</p><p><br /></p><p><br /></p><p><br /></p><p>But what extraordinary measures would those be exactly ? Even with today&#039;s technology we do not have airtight coin holders. And they didn&#039;t have coin holders at all in years gone by. Nor did they have coin rolls, or Ziploc bags, or silica gel packs, or anything that might even help retard the natural and inevitable effects of toning. And for copper coins to tone there is only one thing necessary - the coin being exposed to the air. If a copper coin is exposed to the air, it is going to tone. And in a very short time.</p><p>&nbsp;</p><p><br /></p><p><br /></p><p>The TPGs, the entire numismatic community, has always accepted coins being dipped. There are millions and millions of coins that have been dipped in TPG holders. That is an undeniable fact. So yes, they absolutely accept coins being dipped.</p><p><br /></p><p>But it is generally believed that you cannot dip copper and still have the coin look natural. Most people will tell you it cannot be done. Most people will tell you that a dipped copper coin can never be slabbed by NGC or PCGS.</p><p><br /></p><p>But yet we have thousands and thousands, maybe even millions, (I&#039;ve never actually added the pops up), of copper coins designated as Red in NGC and PCGS slabs. And that includes examples of even our earliest copper coins. So how did those coins manage to stay Red for all those years ?</p><p><br /></p><p>Take what we know - even our modern coins designated as Red, slabbed and stored properly with us making every effort we can to prevent those coins from toning so they stay Red, even those coins turn Red Brown or Brown right in the slab, and in just a few years.</p><p><br /></p><p>Given that, how does a copper coin that is 50, 100, 150 years old manage to stay Red ? Yeah, it does make you wonder.</p><p><br /></p><p>My contention is it might be difficult, but that yes, copper can be successfully dipped. It is the only explanation I can think of that makes any sense.[/QUOTE]</p><p><br /></p>

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