Trafalgar Square in central London, showing the base of Nelson's Column and giant bronze lions by Landseer around it, with the Big Ben in distant view.
1888 puts it in the William Ewart Gladstone era; but is it he? If not, who then? There are apocryphal stories of notable Conservatives confusing the NLC for a public convenience when on their way to the House. Perhaps this is one of 'them' leaving.