When I go to art galleries, and afterwards pop into the gift shop, I can never find postcards of the pictures I really liked. So I carry a ghost gallery in my head: Ed and Melody by Robert Mapplethorpe (1988); Stanley Spencer’s The Dustman (1934)…
At the Lowry in Salford, I twisted the postcard display in vain – because the images I liked weren’t the ‘matchstalk men’ that come to mind when we think of L. S. Lowry: