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<p>[QUOTE=&quot;Clawcoins, post: 3473990, member: 77814&quot;]Fred has mentioned in past posts (other threads) that they cannot exist because the hardness test is done before striking.&nbsp;&nbsp; The minting of the planchet, which squeezes and pushed the metal around, would totally obliterate any Rockwell test.&nbsp; If seen, it would be totally deformed at best.</p><p><br /></p><p>Additionally, This excerpt from metal testing information about hardness testing Confirms that it is completed before and after annealing on planchets.&nbsp; Thus it won&#039;t ever be found.</p><p>[ATTACH=full]924134[/ATTACH]</p><p><br /></p><p>[ATTACH=full]924135[/ATTACH]</p><p><br /></p><p>[ATTACH=full]924136[/ATTACH]</p><p><br /></p><p><br /></p><p>Additionally, the Rockwell test machines are generally available and used in metal testing by the metal industry.&nbsp; One could obtain one and start their own production line if they wanted ...</p><p><br /></p><p>There&#039;s more info out there ... just a google or two away.[/QUOTE]</p><p><br /></p>

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