It's a bootleg brought to our attention a couple years ago by an OT member with the handle "catnap". It was a telecine of a 16mm print incredibly similar to yours (except it was done back in the 80s, so the color is intact).
http://fd.noneinc.com/Theater_Performance/1977-Catnap-1.html
I'll do some screenshot comparisons of this vs. Puggo Grande later.