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<p>[QUOTE=&quot;mkwelbornjr, post: 1357410, member: 17034&quot;]Yes I meant etched with a laser for the devices.&nbsp; But they do use a diamond polisher to get the mirror finish.&nbsp; In some cases the polish the entire die with a diamond polisher...then mask the polished areas and cut out the devises...then they etch the devices.&nbsp; I think the laser eliminates the need for the masking.&nbsp; I have seen the entire process from start to finish at The Franklin Mint before they stopped minting in 2002.&nbsp; Their proof minting was as good as anything out there so they know what to do.&nbsp; But they used old equipment not laser.[/QUOTE]</p><p><br /></p>

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