Other mistake: After a month of suspension, James can finally sell again The Big Issue. The issue he carries in the street though, is issue 1174, from early October 2015. Besides the anachronism, the first issue he was selling, well over a month before, was number 1175. (01:16:00)
Other mistake: The typewriter ribbon in Gemma Arterton's typewriter looks to be installed upside down, with the red half of the ribbon showing above the black half.