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<p>[QUOTE=&quot;ErolGarip, post: 2867081, member: 88736&quot;]Is there any DD in latest coins of last decades? I don&#039;t think so. In last decades, those die toolings are being made at CNC (computerized numerical centers machines) which have good tolerances. Therefore, probability of such errors during the die making process is minimum nowadays. And, before a coin production starts, tests are made. In old days, when they were using mechanical machines such as lathes, milling machines, etc to make the dies etc they were not so accurate and making strike/forging dies are difficult and expensive. I am sure in old days too they tested first and saw the DD, but, they let the production process go. So, according to the mint people, these DD coins were not error coins, was not a surprise to them, they knew it before anyone discovered.[/QUOTE]</p><p><br /></p>

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