The former Soviet Union produced thousands of films in a long run
of more than 60 years. Exporting these films was a major national
industry, and the posters were made for distribution in multiple nations in multiple languages. The posters for Soviet export films are bound to constitute an overwhelmingly massive category in the world cinema poster catalogue, but I have not seen any reference material on the subject.
My small collection is a chance a
ccumulation, mostly from Egypt: