The footage discussed in the One Man Band thread appears to be the second and third reels of a filmed question and answer session with Welles onstage in Ireland. Curiously, the third reel is presented before the second, leading to a subsequent jabberwock in the conversation flow. I extracted the audio and corrected the edit. The beginning and end of the segment are absent, but this is eighteen minutes I'd never experienced before. I don't have a sense for the year more precise than the 50s or 60s, leaning towards the former. As with other all-talk Welles films, this is a good one for audio-only.
http://www.mediafire.com/?2yzkvjmw3wn

