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<p>[QUOTE=&quot;Coinchemistry 2012, post: 2038740, member: 28107&quot;]On the NGC forums, Roger Burdette posted the following:</p><p><br /></p><p>&quot;The fellow mentioning my book - FM2M - forgot about the use of emery sticks and cotton swabs for repair and retouching....they could produce the tiny scratches as observed. In repairing a die, the goal was to get it back into service - not to have a committee meeting about which repair technique to use.</p><p><br /></p><p>Most of the linear abrasion was done by the coining room foreman or die setter in the coining room. More complicated or spot work was done by the die sinkers or an assistant engraver.</p><p><br /></p><p>The conclusions of everyone above seem sound and reasonable.&quot;</p><p><br /></p><p>To clarify, the images Mr. Burdette is referring to are Mr. Campbell&#039;s of the Lincoln cent posted with die polish lines that cross.[/QUOTE]</p><p><br /></p>

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