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<p>[QUOTE=&quot;GDJMSP, post: 271863, member: 112&quot;]If the coins are white then there is about a 99.99% probability that they have been dipped. That does not mean they are not gradeable though. There are literally millions and millions of dipped coins in NGC and PCGS slabs.</p><p><br /></p><p>&nbsp;</p><p><br /></p><p>It really wouldn&#039;t matter what type of holder they were in - the coins would still tone if they were exposed to the air. Yes the toning may be minimal as I illustrated in my previous post, but after 50 years there is going to be toning.</p><p><br /></p><p><br /></p><p>&nbsp;</p><p><br /></p><p><br /></p><p>Of course they did. But the point is that we are talking about original Mint Sets and there was no way to get the cardboard holders the Mint Sets came in unless you bought them from the mint. That being said, what has often happened is that some unscrupulous dealers and collectors would take a heavily toned Mint Set, remove the coins from the cardboard holders and replace them with other coins that had&nbsp; been dipped or else dip the original&nbsp; coins themselves.</p><p><br /></p><p>Bottom line, if you want an original set then the coins will be toned.[/QUOTE]</p><p><br /></p>

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