John Leech - Britannia giving Rowland Hill the sack - image courtesy of the Cartoon Museum

William Heath - A Wellington Boot - or Head of the Army - image courtesy of the Cartoon Museum

James Gillray - Plumb Pudding in Danger - image courtesy of the Cartoon Museum

John Tenniel - Friend or Foe - image courtesy of the Cartoon Museum

David Low - All Behind you Winston - image courtesy of the Cartoon Museum

Gerald Scarfe - Maggie's Ship Goes Down - image courtesy of the Cartoon Museum

Steve Bell - End of the Affair - image courtesy of the Cartoon Museum

Steve Bell - Grin and Blair it - image courtesy of the Cartoon Museum