So when the Smithsonian’s newly renovated and re-energized Cooper Hewitt Design Museum in New York took stock of its hefty collection of 3,000 rarely seen posters, it wanted to create a display ...

A 1936 poster, designed by Gert Sellheim, one of 58 pieces displayed in “Art Deco: Commercializing the Avant-Garde,” opening Sept. 28 at Poster House in Manhattan.