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<p>[QUOTE=&quot;Insider, post: 2886338, member: 24314&quot;]David Setree Rare Coins, posted:&nbsp; &quot;I see metal flow lines caused by brushing all over the coin. There are different ways to whizz a coin, perhaps you are <span style="color: rgb(255, 0, 0)"><span style="color: rgb(0, 0, 0)">only considering</span><b> the one where the metal is all pushed in one direction, pushing it up to form edges of the design</b></span> higher usually by a spinning wheel of fine wire.</p><p><br /></p><p>This one looks like it was done by a brush such as found on a drill.&quot;</p><p><br /></p><p>Thanks for your reply.&nbsp; I gives me the chance to explain whizzing a little further to other posters as <b><span style="color: rgb(255, 0, 0)">you seem to know what it is</span></b>.</p><p><br /></p><p>In the early 1970&#039;s the ANA&#039;s formal definition of &quot;whizzing&quot; was a chemical treatment...<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie46" alt=":facepalm:" unselectable="on" unselectable="on" />&nbsp; Obviously, this was NUTS!&nbsp; The ANACS authenticators (using a stereomicroscope) put an end to this nonsense. They found that alterations made to the surface of a coin by a mechanical method rather than a chemical one OCCURRED IN DEGREES.&nbsp; Cleaned coins are not whizzed, buffed coins are not whizzed, and polished coins at not whizzed.&nbsp; Since the 1970&#039;s (in every thing I have read and in every grading class I&#039;ve attended) The term &quot;whizzing&quot; <span style="color: rgb(179, 0, 179)">ONLY APPLIES TO</span> coins meeting the criteria you have posted: &quot;<b>the metal is all pushed in one direction, pushing it up to form edges [on one side] of the design.&quot;</b></p><p><br /></p><p>Yes, the coin we are writing about is brushed.&nbsp; It may have been done with a moving wheel (I was not there when it was done); however, this surface has not been &quot;whizzed!&quot;&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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