Judge for the prize, Fiona Banner, said of the work: "It's [...] a painting of one artist reflected through another, a meeting of literary and pictorial minds".
[1] Stevie Smith and the Willow is one of a series of Pickstone's works inspired by writing with connections to Regent's Park in London.
[3] The exhibition referenced an all-female selection of writers including George Eliot, Virginia Woolf, Katherine Mansfield and Sylvia Plath.
It featured works inspired by Laura Knight's Ready for Rehearsal, a drawing in the Mercer's collection which depicts dancers backstage.
It featured paintings from her 2013 exhibition The Writers Series, and new work in response to the gallery's surroundings in Southwark Park, including a nearby rose garden dedicated to Ada Salter, environmentalist and the first female mayor of London.