TV's Frink said:
I have no idea who this is, but...
http://www.wired.com/geekdad/2011/09/jamie-benning-reviews-the-star-wars-blu-ray-set/
You can skip the review of Disc 7 ;-)
EDIT: That's Jambe? Cool!
So there are some original negatives still in existence it seems.
I would guess that George probably has a 70mm technicolor as well.