De La Rue then as a stationer and printer. In 1831 he secured his business a Royal Warrant to produce playing cards. In 1855 it started printing postage stamps and in 1860 banknotes. In 1896, the family partnership was converted into a private company. In 1921, the de la Rue family sold their interests. The company was first listed on the London Stock Exchange in 1947. Then called "Thomas De La Rue & Company, Limited", it changed its name in 1958 to "The De La Rue Company Limited". A takeover bid for De La Rue was made by the Rank Organisation plc in
Hippolyte De La Rue the state of the corduroy trousers he was wearing. He lost the RAAF's sole Bristol Scout in another accident less than a year later. De La Rue married Clara Stone in a Presbyterian ceremony at Scots Church, Melbourne, on 1 October 1923; the couple would have a daughter. He had another escape in August 1925 when he crashed a Sopwith Pup into a hangar; a witness said that De La Rue, who was "renowned for his fiery Gallic temper", strode from the wreckage and began to violently abuse the aircraft. By 1926, he was the examining officer on the flight