'Deutscher Radfahrer-Verband' (DRV) Bycicle Head Badge (Fahrrad Steuerkopfschild). The Deutscher Radfahrer-Verband (German Cycling Association) was the cycling unit of the NSRL (Nazi Sports Office). The enamel badge is nicely maker marked by the company of 'Lehmann & Wundenberg' from Hannover. Rare and decorative original item in good used condition!