Vintage 1929 Standard BS 500 500cc 1 Cylinderr Ohv MAG Motorcycle
via
The factory was owned by Wilhelm Gutbrod, who also owned another Swiss factory, Zehnder. Although their machines were among the best available between the wars, they did not fare well in the post-war era. After the death of Gutbrod in 1948, Wilhelm’s son Walter continued as manager until the late 1950s when the firm closed. source/image(PrtSc): classic-motorcycle.
https://ift.tt/37MEd6K