Sur l’étoile, the exclusive short comic Mœbius did for the company anniversary of Citroën in 1983, which introduced the characters Stel and Atan and later became the basis for the beloved The World of Edena series.
Wow, I never would have guessed those two came out of a Citroën partnership. oO
Anyway, nice research!
Some months back I'd posted a different version of this poster over at Mindoki, and I enjoy the color differences between the two. This one having more earthy colors, and the other one being a lot more reddish.
Btw, I'm just kind of gathering myself up today after some days of exertion, followed by some potent wine to celebrate! Will catch up on messages soon enough..