Ferra, also marketed as Auto-Ferra, was a Czechoslovak car marque of a company founded by Ing. L. Stubrovský in Újezd pod Kladnem. In June 1931, a Prague monthly published an article promoting a new cyclecar called the Auto-Ferra. Its specifications, and its photographs, matched the Vaja cyclecar of the Prague designer Jan Valeš. The article described a basic model with a 750 cc twin, said to be the company's own…
