This balcony railing was first installed in the Hôtel Deron-Levent, 8 Grande Avenue de la Villa de la Réunion, Paris 16 (1907) and then at the Hôtel Guimard, 122 avenue Mozart, Paris 16 (1912).
A balcony railing of the same model was included in the Collectif, Pionniers du XXe Sièle, Guimard, Horta, Van de Velde exhibition at the Musée des Arts Décoratifs, Paris, 10 March - 31 May 1971. The Museum of Modern Art in New York has another example of this piece in their permanent collection.
cf. Y. Brunhammer, exhibition catalogue, Art Nouveau: Belgium, France, Houston, 1976, p. 431 cat. no. 649 for another example of the balcony railing.
M. Rheims, Hector Guimard, New York, 1985, pp. 141 and 144 for another example of the balcony railing.
Exhibition catalogue, Guimard, Paris, Musée d'Orsay, Musée des Arts Décoratifs and des Tissus, 1992, p. 400 for an illustration of the facades of Hôtel Guimard showing other examples of this balcony railing.