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<p>[QUOTE=&quot;Conder101, post: 1735557, member: 66&quot;]You start with three ingots of metal, two of coppernickel and one of copper.&nbsp; Originally the ingots were bonded together explosively.&nbsp; They would literaly place explosives around the stack of ingots and set them off so the force of the explosion would bond them together.&nbsp; The ingots would then be rolled out into coining strip and planchets punched from it.</p><p><br /></p><p>Today one side of each of the coppernickel ingots and both sides of the copper ingot are ground very smooth and are cleaned and wire brushed to make sure the surfaces are completely clean and free from oxides.&nbsp; The ingots are stacked and then rolled under a very high pressure in order to bond the ingots together, and then the ingots are rolled into strip.</p><p><br /></p><p><br /></p><p>By the way, not missing a clad layer.&nbsp; Weight is too high.[/QUOTE]</p><p><br /></p>

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