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<p>[QUOTE=&quot;usmc60, post: 2571155, member: 76739&quot;]I find that quite interesting could you please provide me a link so I can read the die preparation before production thank you Sir I&#039;m not saying there&#039;s no debris contamination all I&#039;m saying is grease is an unlikely factor in modern coin production sure contaminants come down the line from the upsetting machine there&#039;s contaminants broke off of each coin that has a rim burr [ATTACH=full]556034[/ATTACH] As indicated in the photo All I know if a small piece of rim burr gets into the letter of a die I don&#039;t see where any grease was involved it&#039;s all a debris contamination.USMC60[/QUOTE]</p><p><br /></p>

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