1910–1912
mounted with BR55.51, BR55.53, and BR55.55 blue ink
Manufactured by Wiener Werkstätte, 1910
Josef Hoffmann, 1901
Josef Hoffmann, 1910
Josef Hoffmann, 1904
Josef Hoffmann, 1906
Josef Hoffmann, 1870
Josef Hoffmann, 1909
Josef Hoffmann, 1915