TServo2049 said:
As to the 70mm cells …
I don’t know much about Star Wars’ film-stock pedigree, but I think your pathology approach is important to eliminating clearly additive/defective color, it’s champions notwithstanding.
BTW, if you’ll ZIP the full-sized eBay pictures you saved, I’m certainly interested in getting it. The https://www.wetransfer.com/ is a good site. Without signing up, posts are available for 7 days. (Thanks!)