Inside the store, the chocolates packages featured modernist designs by the artists of Wiener Werkstätte school.
[2] By the time of the Anschluss of 1938, Altmann and Kühne was Vienna's fourth chocolatier - a "smaller but upscale producer" trailing after the "big three" of Victor Schmidt, Heller and Küfferle.
[4] The business survived through the Nazi years and World War II owing to the persistence of their employee, Mrs.
[7][8][9] Betsy Wade of The New York Times recounted in 1987: "... those chocolates in European-looking packages: the coffee beans for the adults - in theory at least - and the cats' tongues, finger-length spatulas of bittersweet, for me and my sister.
"[10] After Altmann and Kühne left the New York stage, their Fifth Avenue store was rebranded Blum's and continued selling chocolates "perhaps among the finest made in this country".