Original Posters - Soviet

They are out there, but they’re a little hard to find beyond the six or eight very well known ionics which were adapted for further use into the fifties. Just upload them here for use.

Well, a quick search on wikipedia - these are probably the common ones you mentioned, but it can’t hurt to have them.

Look here for some posters, Soviet or otherwise. Resolution is very low though (as in picture size is small).
This one is classic:

I have a few more…