Ceska Automobilova Spolecnost, based in Prague, was a Czech manufacturer that first appeared publicly at the Prague motorbike exhibition in 1921. The company was founded by the Rechziegel brothers, who were both machine engineers, and initially concentrated on constructing and producing motorcycles and scooters. A year after their debut, the brothers expanded into four-wheel vehicle production with their first cyclecar, a two-seater built on a steel frame. This early model…