Initialed "S" and dated, center right;
Exhibitions: Boston, 1960, no. 14; Galerie St. Etienne, New York, 1965, no. 10; New York, 1980, no. 27; Historisches Museum der Stadt Wien, 1986, no. 159, ill.;
Literature: Comini, 1974, pi. 22; Comini, 1976, fig. 54; Kallir, 1980, pi. 22; Linda Bantel, The Alice M. Kaplan Collection (New York, 1981), pi. 61
