Because Nollywood films sometimes have limited physical merchandise runs outside of West Africa, tracking down physical "proper paper" posters requires looking at specialized avenues:
If official physical copies are unavailable, you can download high-resolution marketing assets from verified databases like IMDb and use custom printing platforms to make your own high-quality cardstock poster. Hey You (2022)
You can reach out directly to the creators at Anthill Studios to see if they sell or distribute official promotional press kits or physical posters. Hey You (2022)