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<p>[QUOTE=&quot;Conder101, post: 2902329, member: 66&quot;]In the early days of the clad production the ingot were made up of three ingots the outer copper nickel or 80% silver ingots were expl sively bonded to the center ingot.&nbsp; That means exactly what it sounds like the three ingots were bound together and then shaped explosive charges were used to bond the three together.&nbsp; Naturally the Mint did not do this themselves.&nbsp; The final product would be a clad ingot.&nbsp; Later improvements in high pressure rolling mills and improvements on preparing the surfaces of the ingots allowed the ingots to be pressure bonded in the rolling mills.</p><p><br /></p><p><br /></p><p>To the best of my knowledge once they began using clad composition all the strip production was handled by outside firms with the mint receiving the finished strip and doing the steps from blanking through finished coins.[/QUOTE]</p><p><br /></p>

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