From what I understand it was mostly constructed from PAL recordings however it was then released in both PAL and NTSC formats. I've never seen a listing for it anywhere in the PAL format, but I'm guessing it must be out there somewhere.
When RIC was assembled would it be likely that the footage was converted to NTSC before restoration, or would conversions have been made afterwards?
If the later is the case then would the PAL version be of better picture quality?
Personally I prefer PAL, as it's what I'm used to, but it would be interesting to know how the usage of PAL footage was tackled given this project was mainly going to please those running NTSC.