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<p>[QUOTE=&quot;Numbers, post: 559930, member: 11668&quot;]Basically.&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" /></p><p><br /></p><p>There weren&#039;t any serials skipped in these cases.&nbsp; But not all of the notes between your low and high examples would&#039;ve been 1928C; some would have been 1928B or perhaps even 1928A.</p><p><br /></p><p>During that era, as long as the note design didn&#039;t change, the BEP used printing plates with different signatures interchangeably.&nbsp; So while the transition from 1928B to 1928C was going on, they had both series&#039; printing plates on hand, and on any given days they&#039;d grab some plates from the vault at random and print off some notes.&nbsp; So the serial number sequence would keep jumping back and forth between 1928B and 1928C.&nbsp; If you looked at a brand-new strap of 100 consecutive notes, it might very well contain some mixture of 28B&#039;s and 28C&#039;s....&nbsp; This is why you can find changeover pairs and reverse changeover pairs--consecutive notes of different series, sometimes in the &quot;wrong&quot; order.</p><p><br /></p><p>When Series 1934 came along, with different wording on the notes, the BEP actually destroyed all the old 1928x printing plates and started over at serial 00000001A.&nbsp; But then the different 34A, 34B, &amp;c. series got mixed together too....&nbsp; It wasn&#039;t until the 1950 series came along that this sort of thing stopped: there&#039;s actually a last serial number for Series 1950A, and then the next number is the first serial number for Series 1950B.</p><p><br /></p><p>Mostly unrelated to the above: As a general rule, the BEP does not skip serial numbers.&nbsp; But this is only a general rule, having a fair number of exceptions.&nbsp; The big exception is that since the &#039;50s the star notes have skipped lots of numbers all over the place, in different patterns at different times.&nbsp; There are smaller exceptions in the non-star notes too, but these are much less frequent.</p><p><br /></p><p>(When I finally get to answering the question about the plate positions in the other thread, I can explain that last bit better; many of the star gaps are related to the arithmetic of plate positions and print runs.&nbsp; But for that I&#039;ll have to come back when I&#039;m not about to be late to class. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie6" alt=":cool:" unselectable="on" unselectable="on" />)[/QUOTE]</p><p><br /></p>

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