covers from Germany

Last Thursday I got three covers from Germany.

Stamp:

Nasturtium (issued 01-07-2019)

with a special postmark about the 75th anniversary of the End of World War II

Stamp:
Variable Value Stamp (from set of two) (issued 03-01-2017)
with a special postmark about the Bicentenary of the Discovery of Antarctica

Stamps:
Variable Value Stamp (from set of two) (issued 03-01-2017)
800 years Rostock (issued 07-06-2018)
with a special postmark about the 60th anniversary of Rostock Port