Shera planks can look quite realistic, but I guess it's down to the skill of the painter.
https://www.google.com/search?q=shera+board+soffit&client=firefox-b-d&sxsrf=AJOqlzUocSIyzGOB0odqOB0sQMZUmr1KCw:1675489720272&source=lnms&tbm=isch&sa=X&ved=2ahUKEwjx5OfMlfv8AhW_TGwGHYgQDe4Q_AUoAXoECAEQAw&biw=1366&bih=624&dpr=1#imgrc=PKOpJ6Cri_y_0M