Jewish ritual postcard: color illustrated picture postcard "Pessachabend"/Pesach seder table (German & Hebrew title) by the Jewish artist Blanka Lipschütz on Art Nouveau styled stationary template, circa. 1910s; published by BKWI (Bruder Kohn, Vienna). Lipschutz was a well-known painter and Zionist, who married Walter Federn of the well-known Jewish-assimilated Federn family. The publishing house, Kohn Brothers, was established in 1898 by the Jewish brothers Salomon, Adolf and Alfred.