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<p>[QUOTE=&quot;dougsmit, post: 905534, member: 19463&quot;]The OP coin would seem to me to be unofficial if for no better reason that it is not gold.&nbsp; That type should be gold (correct?).&nbsp; Soft gold would make the worst possible host for a brockage in theory (I&#039;ve never seen one).&nbsp; The sharpness of this item looks like brass rather than gold.&nbsp; The easiest way to get an &#039;error&#039; in a modern issue is for the mint employee to make it on purpose.&nbsp; I suspect if you want a modern US brockage, there is someone in China willing to make it for you.&nbsp; </p><p>&nbsp;</p><p>BTW there is even a period in the history of Greek coins when designs were made to have one side incuse.&nbsp; These were not brockages but the reverse die was engraved in relief.&nbsp; Usually the reverse was a little different or missing some detail so it was obvious that the two were not accidentally caused.&nbsp; On&nbsp; a few, the reverse type was incuse but completely different than the obverse.&nbsp; It was an experiment that did not catch on.&nbsp; The fact that the first are dated to the place and time of Pythagoras leads many to believe that he was responsible but I am not aware of any evidence beyond the circumstantial.&nbsp; The practice does make a coin that are stronger and thinner for the diameter.&nbsp; Some even would stack but that was not something expected of coins until much later.[/QUOTE]</p><p><br /></p>

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