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<p>[QUOTE=&quot;mynamespat, post: 2634522, member: 83738&quot;]I think performing a Rockwell hardness test dead center on a working die would be a good way to get fired.</p><p>Also, from looking into the 1921 Morgan 17/16 berry reverses- one of the theories is the 17th berry is a remnant from a hardness test (I&#039;m more inclined to believe that it was a metal defect in the die).</p><p>At any rate, I think it&#039;s safe to say the test the mint performed to check hardness of a die was not the same as (less obtrusive than) the common Rockwell hardness test.&nbsp; Other than I think it is impossible, it is what it resembles.[/QUOTE]</p><p><br /></p>

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