(CNN)Dr Hans Sachs had a passion for posters. Smitten with the bold graphics and experimental style of early twentieth century poster design, the German-Jewish dentist began a collection that spiraled into the thousands and featured the leading artists of the era.
Major collection of Nazi-confiscated posters to be sold at auction
So devoted was Sachs to this new and exciting form of advertising that in 1905 he formed the world’s first poster collecting society in Berlin. He went on to publish Das Plakat (The Poster), an international magazine with a loyal following.