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<p>[QUOTE=&quot;Paul M., post: 2305992, member: 73165&quot;]I also prefer the PCGS reverse to the NGC reverse, and if the obverses, luster, etc. are of similar quality, I&#039;d take the PCGS coin over the other in a heartbeat.</p><p><br /></p><p>Graders make their grade determination in a matter of seconds, and they&#039;re subject to human bias.&nbsp; Maybe they handled some truly superb coins at PCGS before getting to yours, and it left them feeling &quot;meh.&quot;&nbsp; Maybe it was their last coin before lunch.&nbsp; Maybe a lot of things.&nbsp; The better coin is still the better coin regardless of the plastic around it.</p><p><br /></p><p>Incidentally, you might think I&#039;m being a little facetious with my answer here, but both of these bias effects have been proven by research in other contexts.&nbsp; For example, <a href="http://www.scientificamerican.com/article/lunchtime-leniency/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.scientificamerican.com/article/lunchtime-leniency/" rel="nofollow">judges issue lighter sentences</a> first thing in the morning and right after lunch.[/QUOTE]</p><p><br /></p>

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