Sadly, I have kept a lot of tickets. Click on a ticket for more info (maybe).
Coventry
6th March 1971
Hammersmith Odeon
8th May 1971
Great Hall, Imperial College, London
12th February 1972
Rainbow Theatre
The Dark Side of the Moon
19th February 1972
Royal Festival Hall
8th July 1972
Royal Festival Hall
Journey to the Centre of the Earth
18th January 1974