Domus (Milan), no. 422, January 1965, p. 54 for examples from the ‘Colaggio’ series Fulvio Ferrari, Ettore Sottsass Tutta la Ceramica, Turin, 1996, p. 99, fig. 373, p. 100, fig. 386 for examples from the ‘Colaggio’ series
Two vases, model nos. 584 and 444, from the 'Colaggio' series
1962-1963 Glazed ceramic. Tallest: 24.7 cm (9 3/4 in) high; other: 8 cm (3 1/8 in) high Produced by the Società Ceramica Toscana di Figline for Galleria Il Sestante, Italy. Underside of each signed one with ‘SOTTSASS/IL SESTANTE/584/ITALY’ and the other ‘SOTTSASS/IL SESTANTE/444/ITALY’ (2).