Looks like the post war green to me. Otherwise all original and wartime production.
" When you're chewing on life's gristle, don't grumble, give a whistle "
Yes looks liek a original drum but repainted postwar ,maybe used post war by Yugo Army from the colour
ddf is the code for Lohmann-Werke AG of Bielefeld ( who apparently still exist ). As others have said, it's WWII manufacture repainted post-war ( although the red primer inside may be original ).