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<p>[QUOTE=&quot;proofartoncircs, post: 917764, member: 25952&quot;]&lt;&lt;That has nothing to do with the thickness though. The planchets for both are the same diameter and thickness before they are struck. The silver proofs are 10% heavier because silver is denser than copper or nickel.&gt;&gt; </p><p>&nbsp;</p><p>There is more going on here.&nbsp; A clad dollar is the weight of two clad halves.&nbsp; A silver clad dollar is about 107% the weight of two clad silver halves preserving the ratio of 1853.&nbsp; So I believe the silver dollar clad planchets could be thicker than the cupro-nickell clad ones.[/QUOTE]</p><p><br /></p>

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