The photos do appear to be mid-late 60s from the cars you can see. But I'll observe that the Uni of Manchester buildings photos could have been from 1987 or 19

The photos do appear to be mid-late 60s from the cars you can see. But I'll observe that the Uni of Manchester buildings photos could have been from 1987 or 1990 -- being when I saw them myself, still near-black on the Oxford Road side.