Registered cover and stamps from Germany

I received another fine registered cover from my German friend Lars. He sent me beautiful stamps on cover and inside cover. Stamps on cover:

Human hair, from set Microworld, issued on 13.07.2017.
Christmas - Alter Paintings, issued on 02.11.2017.
Vitamin C, from set Microworld, issued on 13.07.2017.
Opel Manta, from set Classic cars, issued on 13.04.2017.
Dr. Sommer & Bello being Interviewed, from set Themes by Loriot, issued on 13.04.2017.
Mecklenburg Lake Plateau, from set Wild Germany, issued on 02.11.2017.
The 200th Anniversary of the Birth of Theodor Mommsen, issued on 02.11.2017.

Inside was this beautiful mini sheet The 50th Anniversary of Sports Charity Stamps, issued on 11.05.2017. I really like black background on this stamps.

This is mini sheet Bundestag and the Bundesrat, issued on 03.09.2009.

Old and Endangered Breeds in Germany, issued on 01.09.2016.

Thank you Lars!