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<p>[QUOTE=&quot;alurid, post: 4579519, member: 81991&quot;]It is a misnomer to say that the lines seen on a business strike coin is caused by Die Polishing when they are in fact caused by Die Cleaning.</p><p><br /></p><p>Coin dies are polished to remove scratches in the surface of a die in order to produce a proof-like coin. It is a very skilled and time consuming process.</p><p><br /></p><p>Die Cleaning is an action done to the dies while they are in service to remove debris so the dies can produce a better looking and exceptable business strike coin. </p><p>This is a very aggressive action that uses course grit sanding that can and does&nbsp; leave lines scratched into the dies. These scratch line are tranfered to the coins. This cleaning action also can change the depth or relief of the die.</p><p><br /></p><p>Photo of a 1943 LWC</p><p>[ATTACH=full]1134021[/ATTACH][/QUOTE]</p><p><br /></p>

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