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<p>[QUOTE=&quot;calcol, post: 25315485, member: 77639&quot;]Thanks for the post.&nbsp; Nice video.&nbsp; Despite the title and intro, the video also shows some operations in the Denver and Philly mints as well as West Point, perhaps San Francisco too.</p><p><br /></p><p>Interesting that when proofs are multi-struck, the dies and planchet don&#039;t move apart between strikes.&nbsp; Instead, repeated impulses are made to the upper die.&nbsp; Makes it less likely for the planchet to rotate between strikes.</p><p><br /></p><p>Cal[/QUOTE]</p><p><br /></p>

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