This lovely poster, realized in the 1950's, advertised the famous Swiss chocolate brand - Cailler! It makes use of the purity of the mountain to project on the purity of this fine chocolate. The brand still operated today, and their slogan is: "Pur Chocolate, Pure Emotion" This poster is from the collection of Chocolate Posters book by Israel Perry and Alain Weill page 114. Cailler chocolate is a brand of chocolate founded by François-Louis Cailler in 1819 .