[ABK764] 319382 Northern EMU in three tone purple and blue livery. Showing angle view of doorway (doors open

319382 Northern EMU in three tone purple and blue livery. Showing angle view of doorway (doors open) nearest cab end of carriage 77976. Note ex Royal Mail square 'door out of use' square illuminating sign and exterior door open is just a door open button ie on white Thameslink 319 units this has been updated to a push button and a separate horn circular disc. Unit standing on platform 1 of Warrington Bank Quay station.