German bikes weren't popular in Holland in the postwar decades. Most of the German imports were cheap sporty-looking bikes. Some kids at my school had them, and they deteriorated a lot faster than my Batavus. (Which was good for them, as they'd get a new bike, whereas I did not .)

I have two German bikes in my stable. One is a Kettler Alurad, an aluminum bike. I still need to attend to it, so only an "as bought" pic:



The other is a Winora. Way back in the line of bikes waiting to be attended to. I have only a rather lousy seller's pic so far: