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<p>[QUOTE=&quot;desertgem, post: 3192942, member: 15199&quot;]In 1960, real hub doubling could occur&nbsp; as the process used at east 2 hubbing squeezes. But it was possible in Denver where they lost tract of the hubs and pressed with one and then annealed and pressed with the other date size and didn&#039;t notice, and minted the 1960-D DDO,&nbsp; small date/large date cent. Obviously there were problems as it also has a RPM that was totally separated D&#039;s.&nbsp;&nbsp; Jim[/QUOTE]</p><p><br /></p>

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