Holy carp! Nice find! I’m definitely paying attention to this thread!
A bit funny to call VistaVision an ‘old format’ when it’s just the 35mm still camera format.
Yeah you can just play this back with (or get it scanned on) regular 35mm film equipment - Sure the picture will be sideways, but rotating each frame 90 degrees digitally isn’t a lot of work. If you were trying to record as 8 perf vistavision, then you would need special equipment.
I guess Lucasfilm has digital backups of all this stuff if they’re letting it go on eBay? They went to a lot of trouble to track it all down when they restored the film in 1997. I can’t help wondering if they even know these are being sold…
Great find though and thanks for sharing.