The IFA Simson Model S-51 motorcycle. It was manufactured by Industrieverband Fahrzeugbau ("Industrial Association for Vehic… | Adventure bike, Vehicles, Motorcycle
6 Pieces Simson S50B IFA Décor Sticker Set - Etsy
Wakefield and District MAG
File:Simson-S51-green.jpg - Wikimedia Commons
File:Simson S51 B2-4 from 1980 original condition II.jpg - Wikimedia Commons