Anna Venini Diaz de Santillana, Venini Catalogue Raisonné 1921-1986, Milan, 2000, p. 295 Marino Barovier and Carla Sonego, eds., Thomas Stearns at Venini, Milan, 2019, p. 148
circa 1961 Incalmo glass with spiral design. 24.5 cm (9 5/8 in.) high, 9.6 cm (3 3/4 in.) diameter Produced by Venini & C., Murano, Italy. Underside acid-etched venini/murano/ITALIA.