'Smalti su rame', Domus, no. 382, September 1961, n.p. for a similar example Fulvio Ferrari, Sottsass: 1000 Ceramics, Turin, 2017, p. 40 for a similar example
circa 1958 Enamelled copper. 20.1 cm (7 7/8 in.) diameter Manufactured by Bucci, Pesaro for Galleria Il Sestante, Milan, Italy. Underside impressed IL SESTANTE.