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<p>[QUOTE=&quot;Jamericon, post: 672565, member: 18294&quot;]You are not confrontational nor defensive. We are just having a lively discussion about paper money. And my expertise has nothing to do with the internet - I have worked hard to get to this point.</p><p>&nbsp;</p><p>What you are observing is normal use for back plates and face plates. Please correct me if I am mistaken, but from your comments &quot;...is/are in the range...,&quot; it appears as thought you think that plates are used in perfect sequential order. Plates generally are used in sequential order, but this should be taken loosely. I have observed many instances where a sequence of 12-subject plates were used in reverse order! Some plates were used only once and some are were used many times, giving a scenario where then a plate, say with a serial in the 1000s is being used with plates in the 1300s, etc. Sheets may get used long after they were printed. Faces are printed in response to orders from Federal Reserve banks. To facilitate quick production when these orders come in, the BEP keeps ample stocks of backs ready.</p><p>&nbsp;</p><p><i>&lt;&lt; For example, a 1969D with back plate 1472 was reported. This back plate is in the range for 1969B! Note that I haven&#039;t had a report of 1472 being on a 1969C or 1969B, so perhaps this plate was a late finisher? &gt;&gt;</i></p><p>&nbsp;</p><p>Series 1969B, 1969C, and 1969D $1 FR notes were delivered between May 1971 and October 1974. Inclusive here is an overlap in the delivery dates for all three series from May to September 1972. </p><p>&nbsp;</p><p><i>&lt;&lt; I also have reports of back plates 1129 and 1137 in the 1963A series, but these are in the range of the LATE 1963B notes. Interesting.... &gt;&gt;</i></p><p>&nbsp;</p><p>Again these two series have overlapping delivery dates from January to August 1969.</p><p>&nbsp;</p><p>(You can find these delivery dates at <a href="http://www.uspapermoney.info" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.uspapermoney.info" rel="nofollow">www.uspapermoney.info</a>. Actual printing dates would be better, but often these were not made public. In any case, the printing dates obviously occurred prior to the delivery dates, and the notes were delivered soon after.)</p><p>&nbsp;</p><p>The key fact here is not the series, but the dates. That these notes were delivered in the same time period likely means they were also printed in the same time period, or very close to one another. Modern currency faces are not mixed, but they would be pulling back sheets from the same stocks. This is why you find back 1472 on a 1969D, but not 1969B or 1969C, and also what you described with backs 1129 and 1137.</p><p>&nbsp;</p><p>Have you organized these data in any meaningful way? This is necessary to see what was going on. Did you record the serial numbers or face plate serials?[/QUOTE]</p><p><br /></p>

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