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<p>[QUOTE=&quot;Conder101, post: 4832553, member: 66&quot;]A bit of information, to make the clad strip the copper and clad layer before bonding are much thicker than the final coins.&nbsp; They are bonded today by high pressure rolling, and then are rolled out to the required thickness for the coin.(Back in 65 the ingots were bonded with explosive bonding.&nbsp; The three layers were packed in explosives and then detonated.&nbsp; The explosive force would then bond the ingots together.)&nbsp; Also all of this is done by outside firms so the &quot;copper center clad material (before it was bonded to the outer nickel cladding)&quot; was never in the mint.[/QUOTE]</p><p><br /></p>

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