 It was from the "Le Reale de France" that he gained a basis for his design of the "Unicorn" jolly boat.He adopted the fictional ship's unicorn figurehead from a British frigate which had been built in 1745.When Liger-Belair's model was complete, Hergé realised it into the panels of his comics, regularly showing his renditions to Liger-Belair to ensure he was depicting the vessel with no technical errors.