I bought the limited mediabook edition recently here in Germany for a very good price.
The picture quality of the 4K mastered Blu-ray looks quite good for a movie from 1967!
They remastered the transfer using the original 35mm Intermed-Negativ.
Regional coding is A, B, C as stated on disc and mediabook.
Deutsch (DTS-HD Master Audio 2.0 Mono)
Englisch (DTS-HD Master Audio 2.0 Mono)
Audiokommentar (deutsch) (Dolby Digital 2.0 Stereo).
Here´s my unboxing (in English):