1973 $1 bill colour

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Just wanted to get some feedback from the members of the forum.  I found a $1 bill prefix AC6708156  Lawson/Bouey and the colour  on the right side that side of the bill is a deeper and more pronouced green blue.

 I checked with other bills of this  year  and  all the bills  I compared with seems a lot less pronounced in green blue colour.  Was this just an oddity or was this done for a specific reason.


 I will attempt to add a picture but I am lousy with scanners.   Thanks for your feedback

polarbear

Hi polarbear,

I also have found that the 1973 $1 Lawson-Bouey notes with two-letter prefixes are more intensely-coloured on the right-hand side than the Crow-Bouey three-letter prefixes.

I believe the reason for this is for the same reason why the 1954 Devil's Face notes seem to be more deeply-coloured than the Modified notes...the BofC was trying to save money on the ink :-/  Anyone else have any other ideas?

Many of the multicoloured notes underwent some minor colour changes. Many of the blue-green tones that you are referring to in the $1, $2, $20, $100 were reduced to create a more uniform colour across the note. Compare the early 2-letter notes to the later 3-letter or 11-digit notes and you will see clearly what I am referring to. I have no idea where the changeover might be, but sooner or later someone is going to research the topic to death and accumulate a massive collection of these notes, find about 40 discrete changeover points and publish a thesis on the subject. Eventually. So far, nobody seems to have cared, though many have noticed.