The shelving unit was commmissioned for the sterreichische Postsparkasse (Austrian Postal Savings Bank) which was built in Vienna between 1904 and 1906 and is a landmark example of early modern architecture in Europe.
cf. Paul Asenbaum et al., Otto Wagner: Mbel und Innenrume, 1984, p. 215, fig. 279; Derek E. Ostergard, ed., Bent Wood Furniture 1850-1946, 1987, p. 247, cat. no. 47; Muse d'Orsay, Catalogue sommaire illustr des arts dcoratifs, 1988, p. 220, fig. OAO 1053 for illustrations of the model. See Asenbaum et al., p. 220, fig. 283 for a period photograph of the model illustrated in the Director's Office.