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<p>[QUOTE=&quot;davidh, post: 533896, member: 15062&quot;]Not knowing the answers, I am trying to become educated to these types of bills.&nbsp; I do understand that star notes are replacements for notes damaged during the regular printing process.&nbsp; What I don&#039;t quite have a handle on is how the replacement is made.</p><p><br /></p><p>How are damaged notes detected?&nbsp; Is it through a visual check by the press operator or a spot check by quality control?&nbsp; Or is it done automatically using high speed optical readers that check that the proper patterns are present on the all of the finished products.</p><p><br /></p><p>Is the detection done when the entire sheet is printed or after the notes have been cut to individual sizes, or at some intermediate point?&nbsp; </p><p><br /></p><p>Are the damaged notes pulled by hand or does the handling machinery do the work?&nbsp; Is the replacement star note inserted by hand or does the handling machinery do it?</p><p><br /></p><p>Are the star notes printed up before hand or just as needed?&nbsp; Are they printed in full sheets?&nbsp; if so, are the serial numbers sequential on each individual sheet?</p><p><br /></p><p>As far as the stars themselves, right side up vs upside down - I am supposing that the number portion of the serial number is done by a stepping counter that advances by one after each impression.&nbsp; Is the star like a piece of movable type that is set into the printer by hand?&nbsp; Is there any other explanation that would account for a star being inverted?&nbsp; Could it be done by design for some purpose?</p><p><br /></p><p>Are there any known instances of stars (or final letters) missing altogether from a serial number?&nbsp; </p><p><br /></p><p>In my younger days I used to amuse myself by using a vinyl eraser (non-abrasive) to erase parts of a note&#039;s design or serial number.&nbsp; I&#039;m sure it was detectable under close scrutiny but I imagine it made for a few skipped heartbeats for anyone looking for errors.[/QUOTE]</p><p><br /></p>

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