MAK WW archive, Glass Inventory No. 3311. Model. No. va 35. Four hundred copies of this design, in various versions and colors, are recorded as having been made.
cf. Waltraud Neuwirth, Wiener Werkstätte. Avantgarde, Art Deco, Industrial Design, 1984, p. 196/7, no. 154.
An example of this present purple vase, together with a tea service to the same design as lot 18, was featured in the Wiener Werkstätte 25th anniversary souvenir publication. (See lot 57)