thanks for the pic!
What's the original source?

btw. it's a very early one from 1970, see the position of the mirror.


I own a very rare original pic of this incident (to be precise: a reward poster):

https://youtu.be/ZlLb6Qm3bsc

from the legendary German series:

https://en.m.wikipedia.org/wiki/Aktenzeichen_XY_…_ungelöst