Black and white.
The caption reads 'The Rt Hon Hugh Gaitskell, MP, CBE, and Mrs Gaitskell chatting with Brian Sackley and Jean Burmingham, the youngest boy and the youngest girl on the staff of the RACS Bexleyheath Store. They were specially invited to accompany Mr Gaitskell's party on their tour of the Store and later were guests at the Luncheon given by the Bexley Labour Party. Left is Mr CA Blaseby, RACS Chairman, and also in the photograph is Mr Ashley Bramall, prospective Labour Candidate for Bexley.'
A reference code on the reverse reads T/B.9986.
A stamp on the reverse states that the photograph is by Pace, Kent.