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<p>[QUOTE=&quot;non_cents, post: 1700373, member: 30970&quot;]I hope whoever bought it did&#039;t pay more than a buck for it, and knew that it was machine doubling and not a DDO or an RPM. </p><p>If a repunched mintmark occurred on either the master die or master hub, then all of the &quot;descendant&quot; working dies would also have that RPM. Taking into account how many working dies come from a single master hub or master die, the RPM would number in BILLIONS. Since none have been discovered, I think it is safe to say that you can&#039;t have an RPM after 1989.[/QUOTE]</p><p><br /></p>

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