Storyboards of Howl’s Moving Castle, by Mamoru Hosoda (The Girl Who Leapt Through Time, Summer Wars, Wolf Children).
Hosoda was supposed to direct this Ghibli movie, but was fired during production, and replaced by Hayao Miyazaki.
(images come from 2008 Mandarake auction)
Mamoru Hosoda’s storyboards for Howl’s moving castle. He was going to be the director of the film until he was replaced for Miyazaki due to creativity differences.