Rolf Wirth, Herrliberg, Switzerland
Thence by descent
Acquired from the above by the present owner
Gabriella Crespi, Il Segno e lo Spirito: Mobili, Plurimi, Sculture e Gioielli, exh. cat., Palazzo Reale, Milan, 2011, p. 67
Pierluigi Masini, Gabriella Crespi: Spirito e Materia, Arte e Design, Bologna, 2018, p. 88