These are photos of Led Zep which I believe are from a gig at the Belfry (Step Mothers), Sutton Coldfield, Birmingham on Saturday 20th March, 1971.
IS IT THE BELFRY?
Belfry Zep Photos
Notts Music Archive
A history of groups and musicians from Nottingham, the County and the wider East Midlands region in the mid to late 20th Century