Registered cover from Germany

I received another registered cover from Germany with a lot of interesting stamps:

Merry Christmas, issued on 08.11.2007.
Greta Garbo, from set International movie-stars, issued on 11.10.2001.
Film Reel, from set International movie-stars, issued on 11.10.2001.
EUROPA Stamps - The Circus, issued on 02.05.2002.
The 125th Anniversary of the Birth of Hermann Hesse, issued on 04.07.2002.
Berlin's Museum Island, issued on 08.08.2002.
Flowers - Krokus (Elves Crocus), issued on 11.08.2005.