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<p>[QUOTE=&quot;Conder101, post: 529991, member: 66&quot;]Considering the Philadelphia mint makes the dies for both Philadelphia and San Francisco and the die shop runs year round this makes no sense.&nbsp; They would be making reverse dies for the following year and could simply have used some of those.&nbsp; There would be no reason to request proof dies back from San Francisco, plus the wide AM cents show no trace of a proof surface.</p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p>And what would the San Francisco mint do with a master hub or master die?&nbsp; They had no die shop, no annealing furnace and could not have used them to make dies.&nbsp; As to grinding off the mintmark and then adding a S, you can&#039;t add an S to a hub, and to grind it out of a die would render the die almost unusable because much of the shallow details would also be removed.&nbsp; Also the added S would not match the S on all the other cents for the year.&nbsp; I have never heard of a phantom D proof cent.&nbsp; (Are you sure you aren&#039;t confusing this with the &quot;phantom&quot; D and S mint set coins from a few years earlier?&nbsp; those were caused because Philadelphia didn&#039;t make a no mintmark cent master hub.&nbsp; They made the D master hub, created the D Master Dies, then ground the D off the master hub and used it to make the Philadelphia master dies.)&nbsp; Now having them ship reverse dies might be possible, but since they would have to be shipped to Canada first for polishing it really wouldn&#039;t help their production schedule</p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p>A much simpler reason for there existence would be that as the Philadelphia mint was making reverse dies for both Philadelphia and San Francisco, one or more of the dies got switched and a proof rev was left in Philadelphia mixed with the business strike dies and a business strike die got shipped off to Canada with the rest of the Proof dies for polishing.&nbsp; Since the same procedures are used each year, it is possible for it to happen more than once.&nbsp; This same scenario is the reason for the business strike 1999 W 1/4 and 1/2 oz gold eagles, and almost certainly the 1990 no mintmark proof cent.&nbsp; It happened back in the 1950&#039;s as well when proof design Franklin halves were used to make business strike halves. There are probably other examples.&nbsp; Since this apparently can happen from time to time it would make sense that the wrong reverse dies may exist on other years of business strike and proof cents.&nbsp; I&#039;ve said that since they were discovered, but most roll searchers only look for what is known and not what may be.&nbsp; So it took a long time for the 96 wide AM to be discovered.[/QUOTE]</p><p><br /></p>

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