The extraordinary Leyat was built between 1919 and 1927 by Marcel Leyat in Paris.  Powered by a propellor, steering was on the back wheels and brakes were on the front wheels only.  About 30 Leyats were made in all.

1921 Leyat Helica 8hp (Photo taken at Le Musee des Arts et Metiers, Paris). Model by Rio and modified by Roger Chalke
1923 Leyat Helica 8hp (Photo taken at the Goodwood Festival of Speed). Model by Rio