Old DR Signal (Hl-System), showing "Hl 3b: DRIVE WITH 60 km/h AND EXPECT MAX. SPEED".
Seen in Berlin-Ahrensfelde in May 1999.

Photo and scan by <A HREF="http://www-optik.physik.tu-berlin.de/nink.html">Tobias Nink</A> (<A HREF="mailto:nink@physik.tu-berlin.de">nink@physik.tu-berlin.de</A>)