Glass for fountain pens “Sad Pierrot” Art Deco. Russian Empire. Beginning of the last century. The magnificent Art Deco style was a unique reaction of European culture to the tragedy of the First World War. A military conflict of such a scale was the first experience in the history of world civilization, an extremely negative and painful experience, which one wanted to forget about as quickly as possible. And Pierrot’s characters added that drop of sadness that was reminiscent of a bygone era