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<p>[QUOTE=&quot;Insider, post: 2421349, member: 24314&quot;]I have seen Randy Campbell use a stereo microscope to authenticate coins at coin shows.&nbsp; From our conversations, he rarely uses one at work.&nbsp; Randy worked for ANACS and now is at ICG.</p><p>&nbsp;</p><p>Several long time authenticators at TPGS&#039;s keep one handy on their desk though.&nbsp; The fact that they have been authenticating coins for decades using a hand lens lessens the need for a higher power examination.&nbsp; Problem is, while they will virtually always be able to detect altered dates and mint marks with a hand lens (if the are attentive); and in cases where something does not look &quot;right,&quot; they can take out the scope; state-of-the-art forgeries produced at this minute are slipping past <span style="color: rgb(0, 102, 51)">at first, until they are detected<span style="color: rgb(0, 0, 0)">.&nbsp; Fortunately, the majority of excellent fakes are detected</span> </span>within a few months at most!</p><p>&nbsp;</p><p>One of the best things about attending ANA Summer classes is the chance to meet, speak with, eat with, and drink with many of the TPGS employees and well-known numismatic researchers.&nbsp; You will learn a lot inside and outside class.&nbsp; I have been many times and can attest to that.[/QUOTE]</p><p><br /></p>

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