The last Opel bicycle is produced on February 15, 1937.
Forerunners of the Opel Blitz emblem appear in 1937, in ads and on vehicles.
The oval logo is used from 1937 on as the logo for the Opel company and dealerships.
The Opel Admiral Cabriolet, 1937.
The Opel Admiral, 1937.
Advertisement for the Opel Admiral from 1937.
Emblem of the Opel Admiral, 1938.