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<p>[QUOTE="Clawcoins, post: 3601828, member: 77814"]The US MINT though did do extensive testing on Test zinc coinage, which did not resemble any circulated coinage for several years prior. All testing pieces are called "nonsense pieces" and look "similar" though completely different.</p><p><br /></p><p>I'm still perplexed why people think *only* the US Mint can do a Rockwell test on .. well, anything. Anyone can buy a Rockwell spec'd test machine and do all these things themselves after the fact if they wish. You don't even need one of the machines to get the ball or other shapes indent.[/QUOTE]</p><p><br /></p>
[QUOTE="Clawcoins, post: 3601828, member: 77814"]The US MINT though did do extensive testing on Test zinc coinage, which did not resemble any circulated coinage for several years prior. All testing pieces are called "nonsense pieces" and look "similar" though completely different. I'm still perplexed why people think *only* the US Mint can do a Rockwell test on .. well, anything. Anyone can buy a Rockwell spec'd test machine and do all these things themselves after the fact if they wish. You don't even need one of the machines to get the ball or other shapes indent.[/QUOTE]
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