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<p>[QUOTE=&quot;Numbers, post: 823847, member: 11668&quot;]I&#039;ve been working on puzzling out the print run structure of the $5&#039;s, $10&#039;s, and $20&#039;s in Series 1950A. At some point during the printing of this series, the standard run size was changed from 8000 sheets to 20,000 sheets, but the BEP doesn&#039;t appear to have retained any record of just when this was done. So I&#039;m trying to figure out the changeover points by back-calculating from observed notes. (See the <a href="http://www.cointalk.com/t50727/" class="internalLink ProxyLink" data-proxy-href="http://www.cointalk.com/t50727/">plate position arithmetic</a> thread if you really want the math details.)</p><p>&nbsp;</p><p>The project is coming along very slowly because it&#039;s hard to find enough notes to work from. So, if you&#039;ve got any 1950A notes handy, please check to see if they fall into the following serial ranges (between the high observed old-run-size note and the low observed new-run-size note). If you&#039;ve got notes from these ranges, I could use the <u>serial number</u> and the <u>plate position letter</u>. Thanks much for any assistance! <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie6" alt=":cool:" unselectable="on" unselectable="on" /></p><p>&nbsp;</p><p><b>1950A $5&#039;s:</b></p><p>A 418 16426 A - A 573 35805 A</p><p>B 221 92596 B - B 531 95379 B</p><p>C 469 00669 A - C 777 41758 A</p><p>D 575 30260 A - D 993 60000 A</p><p>E 567 62002 A - E 709 10092 A</p><p>F 524 16001 A - F 669 20123 A</p><p>G 132 97044 B - G 294 34877 B</p><p>H 429 18478 A - H 634 36188 A</p><p>I 118 08001 A - I 180 35426 A</p><p>J 254 91302 A - J 333 07686 A</p><p>K 245 11111 A - K 478 80000 A</p><p>L 550 08001 A - L 811 03037 A</p><p>&nbsp;</p><p><b>1950A $10&#039;s:</b></p><p>A 709 92001 A - A 752 40000 B</p><p>B 012 29200 D - B 232 94223 D</p><p>C 859 72811 A - C 108 54204 B</p><p>D 973 26615 A - D 179 14702 B</p><p>E 617 76001 A - E 896 45621 A</p><p>F 637 92001 A - F 868 00224 A</p><p>G 136 00049 C - G 186 90345 C</p><p>H 496 07335 A - H 943 20000 A</p><p>I 207 43778 A - I 260 29719 A</p><p>J 367 42125 A - J 415 00439 A</p><p>K 332 64001 A - K 436 92688 A</p><p>L 082 82120 B - L 148 49484 B</p><p>&nbsp;</p><p><b>1950A $20&#039;s:</b></p><p>A 231 84001 A - A 428 40000 A</p><p>B 924 83931 A - B 959 28716 A</p><p>C 347 07531 A - C 395 69147 A</p><p>D 540 19946 A - D 635 44125 A</p><p>E 730 35580 A - E 979 53165 A</p><p>F 421 77380 A - F 505 54497 A</p><p>G 769 95704 A - G 906 60440 A</p><p>H 296 26672 A - H 381 76394 A</p><p>I 092 16001 A - I 204 46827 A</p><p>J 227 52001 A - J 457 20000 A</p><p>K 227 52001 A - K 257 39590 A</p><p>L 803 90723 A - L 861 75644 A[/QUOTE]</p><p><br /></p>

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