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<p>[QUOTE=&quot;Conder101, post: 4330954, member: 66&quot;]Not after, while it is being struck. The planchet starts off slightly smaller in diameter than the finished coin.&nbsp; As the dies are compressing it the metal tries to move away frme the compressing dies and that means radially outward away from the center (becoming larger in diameter) until it runs into the collar at which point it starts going up and down eventually filling the rim area of the coin.&nbsp; The inside diameter of the collar is the same as the finished coin.[/QUOTE]</p><p><br /></p>

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