With thanks to Jenny Hodges. Would love anyone able to jump in and name the venue, year and the people in the pic. I do know it’s Butch Chapman singing and am guessing early 1970s.
(Click on pic for full size)
Update: With thanks to Glen Ward, the lineup is (right to left): Butch Chapman vocal/guitar, Arch Elphick (guitar), Ted Denson (guitar) and ?Bruce Bax (drums)