COME BACK CHARLESTON BLUE (1972) – US one sheet poster . COME BACK CHARLESTON BLUE Those ‘Cotton Comes To Harlem’ cops are at it again! Coffin Ed and Gravedigger Jones and a ghost that just won’t quit! Those “Cotton Comes to Harlem” cops are back chasing a ghost that just won’t quit!A ghost has come back to Harlem–and started the wildest gang war ever.