Does it have the German rating logo permanently somewhere on the packaging?
The German logo is printed on the outside slipcase. The mediabook inside the slipcase doesn't have one.
wasnt the criterion restauration also made by TLE Films?
According to the restoration producer Torsten Kaiser, both the Criterion and the Eureka versions use the 2003 restoration (whereby Eureka enhanced the black level during encoding). The German version is based on the latest restoration from 2011. Here I found some details on this:
"The correction/restoration work in gradation and density (i.e. the gamma, the black level, the white level and the contrast) were redone with much more detail as it was possible for the Criterion version, on our 2K Suite with a 6 meter screen and a Baselight 4 color correction console. By doing this, and because we had much more time, we could enhance the structure of the details which should be visible on the new master - especially considering the white and the gamma level.
Also, by editing we could once again enhance the removal of multiple scratches, tears and instabilities caused by glueing, compared to the 2003 version, because technical facilities have improved since then. "
Also, the German version has two soundtrack versions: "Preservation Master Track 2001" and "Restoration Master Track 2011". At the latter one, the scenes in film which are supposed to be silent, are in fact silent (by removing all noise in the relevant scenes); the former one has no filtering whatsoever and represents the analogue sound of the film as heard in 1931.