Aboard the SS Normandie when it was the only way to travel. 1930s. Done by Roger-Henri Expert, who was in charge of the overall decorative scheme on the Normandie. Art Déco.

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“Normandie Grand Salon.” 1933-1934. Gouache and watercolor on paper. Roger-Henri Expert and Richard Hermann Antoine Bouwens van der Boijen, creators. Collections of and photo © the Académie d’architecture/ Cité de l’architecture et du patrimoine/Archives d’architecture du XXe siècle, Paris. Courtesy of Foundation Juan March. Fair use license. via https://www.metalocus.es/en/news/modern-taste-art-deco-paris-1910-1935
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“Study for the Ladies’ drawing room and music room of Normandie.” 1934. Colored crayons, gouache and watercolor on paper. Roger-Henri Expert, creator. Image © 2020 Sotheby’s. Fair use license. via https://www.sothebys.com/en/auctions/ecatalogue/2013/20th-century-design-n08970/lot.124.lotnum.html