Featured Image: Métro Entrance Medallion, circa 1900; Designed by Hector Guimard (French, 1867–1942); Produced by Val d’Osne Foundry (Saint-Dizier, France); Cast iron, enamel; 73.7 x 61 cm (29 x 24 in.); Cooper Hewitt, Smithsonian Design Museum; Gift of Harry C. Sigman, 2013-21-6; Photo: Matt Flynn © Smithsonian Institution
