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<p>[QUOTE=&quot;Insider, post: 8324396, member: 24314&quot;]I learned about &quot;stria&quot; in geology class and carried over that term to numismatics for our internal records to describe coins at the Authentication Service.&nbsp; <i>After you look up <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie26" alt=":bookworm:" unselectable="on" unselectable="on" /> the word</i>, post your coins with stria and striae.&nbsp; We can argue that parallel adjustment marks are striae BUT THEY ALREADY HAVE a specific name (adjustment mark) so <span style="color: #b30000">they don&#039;t belong in this thread. </span> <span style="color: #b30000">Either do parallel grooves from cleaning or PMD. </span>&nbsp; <b>I only want to see if members can find stria that were on the planchet when it was struck and remained visible on the finished coin.&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></b></p><p><br /></p><p><b>I&#039;ll post an example later. </b> Then we can discuss how they might affect a coin&#039;s value.</p><p><br /></p><p><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie99" alt=":watching:" unselectable="on" unselectable="on" /> My finger is on the &quot;Ignore&quot; button and I cannot wait (very <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie54" alt=":hungry:" unselectable="on" unselectable="on" />) to add (very <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie54" alt=":hungry:" unselectable="on" unselectable="on" />) more <span style="color: #663300"><b>useless <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie30" alt=":bucktooth:" unselectable="on" unselectable="on" /> <font size="2">jokers</font></b> <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie91" alt=":stinkyfeet:" unselectable="on" unselectable="on" /> </span>to my growing list of <span style="color: #663300"><b>six</b></span>. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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