Tracking down the movie poster for Possession

I recently watched the 1981 movie Possession by Andrzej Żuławski. It's a weird movie, ostensibly horror, but primarily used as a lens for the dissolution of the director's marriage (and political commentary). However the default poster on Letterboxd is explicitly horror focused (claws gripping into a woman’s back, blood trickling down, and bright blue spikes like something out of The Thing poster…