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<p>[QUOTE=&quot;Insider, post: 2483770, member: 24314&quot;]Unfortunately, this thread was turned into a mess when a very simple &quot;Class A&quot; presentation of this variety was not understood. </p><p><br /></p><p>As a part time teacher myself, I think I over estimated the ability of some to differentiate between two so differently shaped letters in spite of very clear photographs. With that FACT in mind, I suggested an easy drill to describe the shape of the &quot;S&quot; to a blind man.&nbsp; Only one member tried and he was able to see the difference![/QUOTE]</p><p><br /></p>

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