In pink glowing tubes above the shop windows of the first floor is this lettering. It probably dates from the 60s. When the current owner took over the business, it was already attached.
One of the most beautiful still intact neon signs in Karlsruhe has been removed and replaced by a very simple sign with a completely unspectacular lettering. Some lettering remnants of the old device are currently in a display window of an architectural office a few meters away at Karlstrasse 128.