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<p>[QUOTE=&quot;John Burgess, post: 8153109, member: 105098&quot;]I[&#039;m not an expert but I read a lot.</p><p>It&#039;s not quite right, a &quot;fin&quot; is when the metal pushes up past the die and the collar, it happens during the strike. this is correct.</p><p><br /></p><p>&nbsp;a &quot;burr&quot; is when a piece of the planchet is sheared off either by the feeder fingers or during ejection after the strike happens, it happens either right before or right after the strike, not during blanking.</p><p>blanks, especially silver or gold blanks are all cleaned up and polished and weighed before striking. this happens after quality control and assaying of the product from the blank supplier.[/QUOTE]</p><p><br /></p>

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