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<p>[QUOTE=&quot;cladking, post: 1553855, member: 68&quot;]There&#039;s nothing you can do to a planchet of a given size to make it thinner.&nbsp; </p><p><br /></p><p>Two things though;&nbsp; The edge of a type 2 planchet is upset by rolling it to push up some metal around it to help form the rim so a type 2 planchet can, at least in theory, end up thinner as a struck coin (they rarely do in practice).&nbsp; Also the planchet is fairly soft metal and it is work hardened in the strike so the volume actually does decrease slightly even though the thickness increases.&nbsp; </p><p><br /></p><p>Rims are put on coins so they can be counted in stacks even though almost no one does any longer.[/QUOTE]</p><p><br /></p>

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