In the 1920s, Robar and de Kirkhave introduced a New Model, Jieffeco. Similar to FN Browning Model 1910. At this time, the right to import Jieffeco into the U.S. was arranged with Davis Warner Arms Corp., New York, whose company name was used on the pistol. Model is a semi-automatic pistol in caliber 7.65mm. On the slide is "Pistolet Automatique Jieffeco Repose".