Falcons with white ST keyboards

[Falter]

I've picked up a couple of Falcons recently, both with the white ST coloured keyboards.   I've seen a few of these over the years and am aware of some where for sure the end user swapped keyboards, but I've long wondered if others could have legitimately come with keyboards in that color scheme.  Does anyone know?  I understand near the end Falcons were liquidated or something similar.  I'm wondering if whoever did the final clear out was putting whatever parts were available to complete them together? 

[Falter]

So I did a bit more research, and on old-computers they mention that there were a few versions of the Falcon - the FX-1, one that came out in ST case/keyboard colour scheme, and then the one with the dark grey keys.

 

This is what I have.. I note the serial number is a little different from the usual Falcon serials, the case, looking at it now definitely looks like an ST color case.  Is this something unusual?

 

https://drive.google.com/file/d/1FVrm81tysytUIF8g_CnBZYr9DWp4ElKB/view?usp=sharing

https://drive.google.com/file/d/1shKN0n0w7GHNR4jhnVxZvdLgzSl98AHF/view?usp=sharing

Edited October 24, 2019 by Falter

[Junosix]

I believe it was the early batches of Falcons that had ST-coloured cases rather than the ones at the end of production.  Do you know what version of TOS it has?  That could be a good clue as to its age (unless the TOS chips have been upgraded).