Len Harvey enters his bull mastif for Olympia show . Len Harvey , the boxer , has entered Leonora , a bull mastiff , for the annual ladies kennel association championship show which has opened at Olympia . Harvey suffered a stroke of bad luck at the last moment , however , for Leonora cut her front paw at exercises and now limps . Leonora is a litter pup of Nite , and a sister of the Duke of Gloucester ' s mastiff . Photo shows , Len Harvey with his bull mastiff , Leonora . 28 April 1936