This is an Art Deco style Bugatti poster. Art Deco is a minimalist style to some extent as it uses bold lines and shapes with attention to the whole rather than detail. I think posters like this come off as classy but quite boring.
Swan, Rush and Iris dado wallpaper by Walter Crane from Victoria and Albert Museum, London, UK. Crane achieved international popularity designing Art Nouveau textiles and wallpapers but is chiefly known for his illustrations of children's books.