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<p>[QUOTE=&quot;medoraman, post: 1622705, member: 26302&quot;]But it says, &quot;they enter the washing machine&quot;. If a blank were to be annealed or not, they will get washed. Way too many industrial chemicals can get onto this metal, so they ALWAYS get washed before striking. I used to work at an auto parts manufacturer, and some parts got annealed, washed, then struck, but others just washed then struck. Either way the metal has to have chemical cleaning to ensure a proper strike.</p><p><br /></p><p>As to the real crux of the question, whether the marks are there before or after the striking, I don&#039;t really know. If they are prevalent to a much higher extent after 1964 than before, then I think lack of metal flow could be responsible for then being on gem graded US coins.</p><p><br /></p><p>Boy, I am glad my area of the hobby just ignores this crud and grades based upon what is on the surface, regardless of reason. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /> Bottom line, should collectors CARE? If a coin you are about to buy has a bunch of surface marks, do you really care WHY? I don&#039;t, I just care about what the coin looks like and if I like it. That is why I never bought &quot;weak strike&quot;, &quot;worn die&quot;, &quot;thin flan&quot;, or any other excuses US collectors/dealers make up for cruddy coins when I collected US coins.[/QUOTE]</p><p><br /></p>

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