Here is a new auction of film cans, and they say there is some stuff from UFO here, although I'm not sure WHAT from UFO is here... one of the cans says "Nick Tate and SHADO HQ Operative", which is certainly NOT something I've ever seen before... (!)
Cool! Looks like a great thing to get - might be some nice gems in there. Each reel seems to have material from several Anderson productions. Some sort of showreels? Out-takes (now those would be worth having!).